Beet-cleaners, 151

-juice, extraction of by maceration and diffusion, 157, 158

pulp, addition of sulphuric acid to, 153, 156, 160

presses, 154, 156

rasp, 152

Beets, alcohol from, 150

cellars for storing, 149

cultivation of, 140

characteristics of good, 140

cleaning, 151

composition of, 141

conditions for cultivating, 142, 144, 145

diffusion battery for, 158

direct distillation of, 161

distilling apparatus for, 162, 200, 201

distilling plant for, 199, 201

Beets, fermenting juice of, 160

harvesting, 146

how to tell when ripe, 147

hydraulic presses for, 153

macerating, 156, 159

manures for, 143

roll press for, 154

soil for growing, 142

sowing, 144, 146

stack for storing, 148

storing in winter, 149

scum forming during fermentation of, 160

transportation of, 203

Boiling over, to prevent in still, 58

points of alcoholic liquors, 2

Carbonic anhydride, to get rid of, 25

Cellar for beets, 149

Cellier-Blumenthal still, 48

Cleaning barley, 103

beets, 150

grain, 104

potatoes, 110, 204

apparatus for, 151

Coal consumption, 208

Coffey's still, 54

Column distillery, 64, 66

rectifying, 51, 87, 94

Condenser, Cellier-Blumenthal's, 48

Coffey's still, 54

and mash heater, 41, 43, 46, 52, 64, 74

Concentration of alcohol by distillation, 31

Continuous distillation, 50

Cooling mashes by air, 15

by water, 17, 133, 196

Corn, mashing, (see Grain).

Couch, wet, 106

Covered fermentation, 27

Current still, 59

De-Naturants, formulas for, 211, 214, 216, 219, 254

prescribed in U. S., 211, 220

De-natured alcohol in Canada, 214

England, 214

France, 215

Germany, 211, 214

uses of, 210, 213, 217

in Germany, 217, 222

De-naturing in London establishment, 215

in U. S., Acts regulating, 212, 219, 225, 259

regulations, 229

with benzine, 216

Diastase, 14

proper temperature for action of, 14, 133

Distilling apparatus, 33, 63, 189

Adams', 8

beet, 162

Cellier-Blumenthal's, 48

Coffey's, 54

continuous, 50, 68

current, 59

compound still, 46, 47

fire heated, 47

Corty's, 40

double, 41

Dorn's, 43

Gillaume's, 78

simple, 38, 36, 190

with enricher, 37

Distilling column, 64, 73

plants, 189, 199, 205

Distillation, checking 32

compound, 42, 50

multiple to strengthen alcohol, 31

Dough, luting still with, 34

Dujardin's roll press for beets, 154

Drying, barley, 108

kiln for, 108

Drying rooms, temperature of, 108

Dunder from molasses, 168

Flavor in alcohol, cause of bad, 86

Ferment, too much, 24

Fermentation in general, 9, 18, 27

alcoholic, 22, 23

acetous, 24

foaming, 27

heat necessary for, 19

lactic, 25

loss in, 28

phenomena of, 27

periods of, 26

under cover, 27

viscous, 25

Fermenting apparatus, 28, 194

room, 29, 194

vats, 28, 29, 195

Fire, regulating distilling, 61

Floors for malting barley, 106

"Fractionating", 83

Fusel oil, (see Rectifying).

Geisler's apparatus for estimating alcohol, 184

Gelatinizing apparatus, 10

Germinating barley, 106

Grain, alcohol from, 126

composition of, 128

cooling of mashed, 133

distillery for, 197

grinding, 129

infusion of, 131, 135

Grain, mashing in general, 130, 134

mashing, proportions of grain for, 134

under steam pressure, 137

mashes, cooling, 133

regulating temperature of, 133, 138

mash tub, 134

thin mash of, 134, 135

saccharifying, 131, 134

steeping, 129

sulphurous acid, 132

temperature of water, 129

sufficient steeping of, 130

Grains, relative quantities of alcohol from various, 126

Gauge glass, 71

Heat indicator for regulating, 61

necessary for fermentation, 19

Henze steamer, 11, 14

Hydraulic presses for beets, 153

Hydrometers, 176, 177

Indicator for regulating distillery fire, 61

Iodine Test, 185

Lactic fermentation, 25

Lime, neutralizing acid by milk of, 80

Loss of alcohol in fermentation, 28

Malt, 103

drying, 108

grinding dried, 109

kiln, 108

Malting barley, 103

cleaning barley for, 104

couch, 106

floors, 106

germinating barley for, 106

in large plants, 108

steeping barley for, 105

Mash cooling, 15, 16, 17

heating, 52, 74

tub, 122, 123, 124

Mashing in general, 8

grain, 30, 134

cleaning, 104

potatoes, 110, 125

starchy materials, 10

Molasses, alcohol from, 163

acidifying, 164

beet sugar, 164

cane sugar, 168

clarifying cane sugar, 170

composition of " ", 168

dilution of, 167

dunder from cane sugar, 168

fermenting cane sugar, 170, 206

cane sugar in Mauritius, 172

cane sugar in Java, 172

mixing vats for water and, 164, 165

plant for distilling, 205

skimmings from cane sugar, 168

transportation of, 207

washes, setting up, 166

pitching temperature of, 166

Methylated spirits, 211, 212

Neutralizing Acids in rectifying, 86

Pitching the mash, 22

temperature, 22

Potato-alcohol use in Germany, 212

how to obtain good, 138

Potatoes, alcohol from, 110

best for distilling, 110

cleaning, 110, 204

crusher for, 116

Potatoes, crushing and steaming, 111, 117

extraction of starch from separately, 122

isolation of starch from, 122

keeping, 110

mashing, 110, 118, 125

plant for distilling, 204

rasp for pulping, 152

saccharifying by sulphuric acid, 124

starch from, 122

steaming, 111

under high pressure, 11, 118, 121

vat for, 112, 121

steamer and crusher for, 111, 117

vacuum cooker for, 11

"Proof spirit", 175

Rectification, 82, 92

by filtration, 101

Rectifying apparatus, 87

Barbet's, 94

Gillaume, 97, 99

intermittent, 90

Vulcan, 93

Regulating distillery fire, 61

Relative quantities of alcohol in grains, 126

Rice, (see Grains).

Saccharification, 8, 10, 14

by sulphuric acid, 138

complete, 185

of grain, signs of, 137

Saccharifying apparatus, 14

Specific gravity of alcohol, 2, 174

calculating, 174

Steam generator, 114

regulator, 69

Steamers, high pressure, 11, 12

Steaming under high pressure, 13

Steaming grain, 136

potatoes, 111

under pressure, 118, 121

vat, 112

Steeping barley, 105

grain, 129

sufficiently, 130

temperature, 130

Stills, (see Distilling Apparatus).

Sulphuric acid for saccharifying grain, 138

neutralizing, 86

Sykes' hydrometer, 177

Testing Alcohol for purity, 187

Twin column rectifier, 95

Vacuum cooker, 10, 11

Vulcan rectifying still, 93

stills, 73, 77

traps, 75

Water for distilling, 208

Yeast, 20

brewers, 11

fermentation by, 9, 10

* * * * *

ELECTRICAL BOOKS.

=THE DISEASES OF ELECTRICAL MACHINERY.= By ERNST SCHULZ. Edited with a

preface by Sylvanus P. Thompson. Contents of Chapters: 1, _Continuous

Current Machines_; breakdowns in the armature; brushes and brush holders;

faults in the field winding; faults in the regulator or starter. 2,

_Singlephase and Polyphase Generators_; faults in armature; grounds in

generators; connections of different phases; field windings. 3,

_Singlephase and Polyphase Induction Motors_; stator faults; rotor

faults. 4, _Transformers_; faults in winding; effects of lightning.

5, _Efficiency_; examples of efficiency calculations. 94 pages,

42 illustrations, 12mo., cloth, $1.00.

=ELECTRICAL TABLES AND MEMORANDA.= A valuable little reference book for

engineers, electricians, motor inspectors and others interested in the

electrical science, containing many tables and much valuable information

in a very small space, with a number of illustrations, by PROF. SILVANUS

THOMPSON. 64mo., roan, gilt edges, 40c.

=THE VOLTAIC ACCUMULATOR.= By EMILE REYNIER. Contents: Part 1,

Principles, definitions, voltmeters. Part 2, Voltaic accumulators of

various types. Part 3, Technology. Part 4, Application of accumulators.

202 pages, 62 illustrations, cloth, $3.00.

=THE MERCURIAL AIR PUMP.= By PROF. SILVANUS P. THOMPSON, D. Sc. 37 pages,

43 illustrations, large 8vo., paper, 60c.[++]

=THERMO-ELECTRIC REACTIONS AND CURRENTS, BETWEEN METALS IN FUSED SALTS.=

By THOMAS ANDREWS, F.R.S. 18 pages, with illustrations and tables, 8vo.,

paper, 40c.[++]

=THE APPLICATION OF ELECTRICITY TO RAILWAY WORKING.= By WILLIAM EDWARD

LANGDON. Contents of Chapters: 1, On the construction of a telegraph

line. 2, Surveying. 3, Construction. 4, Telegraph instruments and

batteries. 5, Block signalling. 6, Single line working. 7, Automatic

block signalling. 8, Interlocking. 9, Miscellaneous appliances in

connection with block signalling. 10, Train lighting. 11, Electric light

and power. 12, Intercommunication in trains. 13, Administration.

Appendix. Index. 301 pages, 6 full page plates and 143 engravings and

diagrams, 8vo., cloth, $5.00.

=ELECTRICAL TESTING OF TELEGRAPH CABLES.= By COL. V. HOSKIAER. Third

edition. 12mo., cloth, $1.50.

=HARD SOLDERING, A MANUAL OF INSTRUCTION IN.= By H. ROWELL, with a

chapter on soft soldering and brazing. 12mo., cloth, 75c.

* * * * *

JUST OUT.

293 pages, 298 illustrations, 8vo.

Cloth, $1.00 net.

THE MODEL LIBRARY

VOL. I.

Consisting of the following four American books, with very complete

general index.

=The Study of Electricity= and Its Laws for Beginners.

=How to Install Electric Bells=, Annunciators and Alarms.

=Dry Batteries=, How to Make and Use Them.

=Electrical Circuits= and Diagrams. Illustrated and explained.

* * * * *

25c. BOOKS.

=ELECTRICITY.= The study of, and its laws for beginners, comprising the

laws of electric current generation and flow, Ohm's law, galvanism,

magnetism, induction, principles of dynamos and motors, wiring, with

explanations of simple mathematics as applied to electrical calculations.

By N. H. SCHNEIDER. With 55 original illustrations and 6 tables.

=DRY BATTERIES.= A practical handbook on the designing, filling and

finishing of dry batteries, with tables, for automobiles, gas engine,

medical and coil work, electric bells, alarms, telephones, experiments

and all purposes requiring a first-rate battery. Fully illustrated with

30 original drawings.

=ELECTRICAL CIRCUITS AND DIAGRAMS.= Being a selection of original

up-to-date and practical diagrams for installing annunciators, alarms,

bells, electric gas lighting, telephones, electric power light and wiring

circuits, induction coils, gas engine igniters, dynamos and motors,

armature windings. By N. H. SCHNEIDER.

=ELECTRIC BELLS AND ALARMS.= How to install them. By N. H. SCHNEIDER.

Including batteries, wire and wiring, circuits, pushes, bells, burglar

alarms, high and low water alarms, fire alarms, thermostats,

annunciators, and the locating and remedying of faults. With 56 original

diagrams.

=MODERN PRIMARY BATTERIES.= Their construction, use and maintenance,

including batteries for telephones, telegraphs, motors, electric lights,

induction coils, and for all experimental work. By N. H. SCHNEIDER. 94

pages, 55 illustrations. The best and latest American book on the

subject.

=EXPERIMENTING WITH INDUCTION COILS.= H. S. NORRIE, author of "Induction

Coils and Coil Making." A most instructive little book, full of practical

and interesting experiments, fully explained in plain language with

numerous hints and suggestions for evening entertainments. Arranged under

the following headings: Introduction; The Handling of Ruhmkorff Coil;

Experiments with Sparks; Effects in the Vacuum; Induction and Wireless

Telegraphy. With 36 original illustrations. [In the press]

=SMALL ACCUMULATORS.= How made and used, by P. MARSHALL. Giving full

descriptions how to make all the parts; assemble them, charge the cells

and run them, with examples of their practical application. Useful

receipts and memoranda and a glossary of technical terms. 80 pages, 40

illustrations, paper. = ELECTRIC GAS LIGHTING.= How to install Electric

gas igniting apparatus including the jump spark and multiple systems for

all purposes. Also the care and selection of suitable batteries, wiring

and repairs, by H. S. NORRIE. 101 pages, 57 illustrations, paper.

=SIMPLE ELECTRICAL WORKING MODELS.= How to make them and how to use them.

With 43 illustrations.

=TELEPHONES AND MICROPHONES.= Making and using simple forms of telephones

and microphones, with 29 illustrations.

=SMALL ELECTRIC MOTORS.= How to make and use them, including design,

examples of small motors, and their applications, speed controllers,

starters, fuses, etc. 48 illustrations.

=ELECTRIC LIGHTING= for amateurs. The installation of electric light on a

small scale, construction of lamps and lamp holders, switches, batteries

and their connections. With 45 illustrations.

=INDUCTION COILS.= A practical handbook on the construction and use of

shock and spark coils. With 35 illustrations.

=X-RAYS SIMPLY EXPLAINED.= The theory and practical application of

Radiography. 10 illustrations and 6 plates.

=STATIC ELECTRICITY.= Simple experiments in. A series of instructive and

entertaining electrical experiments with simple and inexpensive

apparatus. With 51 illustrations.

=SIMPLE SCIENTIFIC EXPERIMENTS.= How to perform entertaining and

instructive experiments with simple home-made apparatus. With 59

Illustrations.

=SMALL ELECTRICAL MEASURING INSTRUMENTS=, describing the making and using

of the different instruments fully illustrated.

=SMALL DYNAMOS AND MOTORS.= How to make and use them. A practical

handbook, by F. E. POWELL. Contents of Chapters: 1. General

Considerations. 2. Field Magnets. 3. Armatures. 4. Commutators and Other

Details. 5. Tables of Windings. 6. How to Build a Small Machine. 7.

Useful Data. 8. Testing and Repairing. 76 pages, fully illustrated with

detail drawings.

=UNIVERSAL TIME CARD MODEL.= By setting to the desired hour at any one

place the movable model will show at a glance the actual time of all the

other places in the world. Printed in two colors.

CROSS SECTION BOOKS 25c. each.

=THE HANDY SKETCHING BOOK.= Size 5◊8, scale 8 to 1 in.

=THE HANDY SKETCHING PAD.= Size 8◊10, scale 8 to 1 in.

=ELECTRICIANS' SKETCHING BOOK.= Size 5◊8, scale 10 to 1 in.

=ELECTRICIANS' SKETCHING PAD.= Size 8◊10, scale 10 to 1 in.

=PLOTTING PAD.= Size 9◊11, scale 16 to 1 in.

* * * * *

=ELECTRICAL INSTRUMENTS and TESTING.=

How to Use the Voltmeter, Ammeter, Galvanometer, Potentiometer, Ohmmeter,

the Wheatstone Bridge, and the Standard Portable Testing Sets.

BY

NORMAN H. SCHNEIDER.

Author of "Care and Handling of Electric Plants," "Induction Coils and

Coil Making," "Circuits and Diagrams," etc., etc.

The aim of the author has been to produce a complete and practical work

on this important subject.

First describing the various forms of Electrical Testing and Measuring

Instruments and their construction.

Secondly, their practical application to everyday work with numerous

examples worked out.

Thirdly, detailing the many tests of insulation resistance, current and

e.m.f. that can be made with a voltmeter.

Using only formulas in simple algebra and then explaining them in plain

language for the benefit of practical men lacking a knowledge of

mathematics.

During the past ten years the author has made hundreds of tests, which

has made him familiar with the subject from the practical standpoint. He

has also obtained valuable information and diagrams from the principal

manufacturers of Testing Instruments. The apparatus described is modern

and in universal use.

Most of the diagrams have been specially drawn for this book.

The work is divided into XI. chapters as follows:

Introduction; Chapters I. and II, The Galvanometer; III, Rheostats; IV,

The Voltmeter; V, The Wheatstone Bridge; VI, Forms of Portable Sets; VII,

Current Flow and e.m.f.; VIII, The Potentiometer; IX, Condensers; X,

Cable Testing; XI, Testing with Voltmeter.

=230 pages, 105 illustrations and diagrams, 12mo., cloth, $1.00.=

* * * * *

EVERYBODY'S BOOK ON ELECTRICITY.

PRACTICAL ELECTRICS.

A UNIVERSAL HANDY-BOOK

ON

EVERYDAY ELECTRICAL MATTERS.

FIFTH EDITION.

CONTENTS.

_Alarms._--Doors and Windows; Cisterns, Low Water in Boilers; Time

Signals; Clocks. _Batteries._--Making; Cells; Bichromate; Bunsen;

Callan's; Copper-oxide; Cruikshank's; Daniel's; Granule carbon; Groves;

Insulite; LeclanchÈ; Lime Chromate; Silver Chloride; Smee;

Thermo-electric. _Bells._--Annunciator System; Double System; and

Telephone; Making; Magnet for; Bobbins or Coils; Trembling; Single

Stroke; Continuous Ringing. _Connections. Carbons. Coils._--Induction;

Primary; Secondary; Contact-breakers; Resistance. Intensity Coils.--Reel;

Primary; Secondary; Core; Contact-breaker; Condenser; Pedestal;

Commutator; Connections. _Dynamo-Electric Machines._--Relation of Speed

to Power; Field-Magnets; Pole-pieces; Field-magnet Coils; Armature Cores

and Coils; Commutator Collectors and Brushes; Relation of size to

efficiency; Methods of exciting Field-Magnets; Magneto-Dynamos;

Separately excited Dynamos; Shunt Dynamos; Organs of Dynamos as

constructed in practice; Field-Magnets; Armatures; Collectors; Brush

Dynamo; Second Class; Alternate Currents; Third Class. _Fire Risks._--The

Dynamo; Wires; Lamps; Danger to persons. _Measuring._--Non-Registering

Instruments; Registering Instruments. _Microphones._--Construction, &c.

_Motors._--Application; for Railways. _Phonographs. Photophones.

Storage._--Plates. _Terminals._--Charging. _Telephones._--Forms; Circuits

and Calls; Transmitter and Switch; Switch for Simplex.

135 PAGES. 126 ILLUSTRATIONS. 8 VO.

Cloth, 75 Cents.

* * * * *

AN AMERICAN BOOK.

INDUCTION COILS and COIL MAKING.

Second edition thoroughly revised, greatly enlarged and brought up to

latest American Practice,

BY H. S. NORRIE,

(NORMAN H. SCHNEIDER)

Considerable space in the new matter is given to the following: Medical

and bath coils, gas engine and spark coils, contact breakers, primary and

secondary batteries; electric gas lighting; new method of X-ray work,

etc. A complete chapter on up-to-date wireless telegraphy; a number of

new tables and 25 original illustrations. Great care has been given to

the revision to make this book the best American work on the subject. A

very complete index, contents, list of illustrations and contents of

tables have been added.

Contents of Chapters.

1. Construction of coils; sizes of wire; winding; testing; insulation;

general remarks; medical and spark coils. 2. Contact breakers. 3.

Insulation and cements. 4. Construction of condensers. 5. Experiments. 6.

Spectrum analysis. 7. Currents in vacuo; air pumps. 8. Rotating effects.

9. Electric gas lighting; in multiple; in series. 10. Primary batteries

for coils; varieties; open circuit cells; closed circuit cells;

solutions. 11. Storage or secondary batteries; construction; setting up;

charging. 12. Tesla and Hertz effects. 13. Roentgen Radiography. 14.

Wireless telegraphy; arrangement of circuits of coil and coherer for

sending and receiving messages; coherers; translating devices; air

conductors; tables; contents; index.

XII + 270 Pages, 79 Illustrations, 5 ◊ 6-1/2 Inches.

Cloth. $1.00.

* * * * *

PRINCIPLES OF ELECTRICAL POWER.

(CONTINUOUS CURRENT.)

FOR MECHANICAL

ENGINEERS.

BY

A. H. BATE, A.M.I.E.E.

The rapid progress that has been made of late years in the application of

electricity to industrial purposes, and particularly in the transmission

of power by means of the electric motor, has made it imperative for every

engineer who wishes to keep up to date to have some knowledge of the way

electrical currents are controlled and used for practical purposes. This

work is especially written for the practical engineer, mathematics being

avoided.

Contents of Chapters.

1. The Electric Motor.

2. Magnetic Principles.

3. Electrical Measurements.

4. The Dynamo.

5. Construction of Motor.

6. Governing of Motors.

7. Open and Closed Motors; rating.

8. Motor Starting Switches.

9. Speed Control of Shunt-wound Motors.

10. Series Motor Control.

11. Distribution System.

12. Installing and Connections.

13. Care of Dynamos and Motors.

14. Cost of Plant.

15. Examples of Electric Driving.

Horse-power absorbed by various machines, including general engineering

and shipyard machines; wood working and printing machinery (arranged in

14 pages of tables).

XII + 204 pages, 63 illustrations, 12 mo. cloth. $2.00.

* * * * *

THE PRACTICAL ENGINEER'S HANDBOOK. TO THE CARE AND MANAGEMENT OF

ELECTRIC POWER PLANTS

By NORMAN H. SCHNEIDER,

_Chief Engineer, "White City," Colingwood, Ohio_.

EXTRACTS FROM PREFACE.

In revising the first edition of Power Plants the author decided to

greatly enlarge it in the hope that it will have a still greater success

than the first one. The section on theory is thoroughly revised. A

complete chapter on Standard Wiring including new tables and original

diagrams added. The National Fire Underwriters' rules condensed and

simple explanations given.

Direct and alternating current motors have been given a special chapter

and modern forms of starting rheostats described at length. The

principles of alternators have been considered also transformers and

their applications. Modern testing instruments and their use are given a

separate chapter. New matter has been added to storage batteries

including charging of automobile batteries, 10 new tables, and 137 new

illustrations.

SYNOPSIS OF CONTENTS OF CHAPTERS.

1. THE ELECTRIC CURRENT; series and multiple connections; resistance of

circuits; general explanation of formulas.

2. STANDARD WIRING; wiring formulas and tables; wiring systems; cut-outs;

conduits; panel boxes; correct methods of wiring.

3. DIRECT AND ALTERNATING CURRENT GENERATORS; management in the power

house; windings; selection of generators.

4. MOTORS AND MOTOR STARTERS; various forms of motors; controllers; care

of motors and their diseases; rules for installing.

5. TESTING AND MEASURING INSTRUMENTS; voltmeter testing and connections;

instruments used; switchboard instruments.

6. THE STORAGE BATTERY; different kinds; switchboards for charging fixed

and movable batteries; management of battery.

7. THE INCANDESCENT LAMP; various methods of testing; life of lamps.

8. ENGINEERING NOTES; belts and pulleys h.p. of belts. Tables. Contents.

Index.

290 pages, 203 illustrations. 12mo., cloth, $1.50.

Full limp leather, $2.50.

* * * * *

Design of Dynamos

BY SILVANUS P. THOMPSON, D. Sc., B. A., F. R. S.

EXTRACTS FROM PREFACE.

"The present work is purposely confined to continuous current generators.

The calculations and data being expressed in inch measures; but the

author has adopted throughout the decimal subdivision of the inch; small

lengths being in mils, and small areas of cross-section in sq. mils, or,

sometimes, also, in circular mils."

CONTENTS OF CHAPTERS.

1. DYNAMO DESIGN AS AN ART.

2. MAGNETIC DATA AND CALCULATIONS. Causes of waste of Power. Coefficients

of Dispersion. Calculation of Dispersion. Determination of exciting

ampere-turns. Example of Calculation.

3. COPPER CALCULATIONS. Weight of Copper Wire. Electrical resistance of

Copper, in cube, strip, rods, etc. Space-factors. Coil Windings; Ends;

Insulation; Ventilating; Heating.

4. INSULATING MATERIALS AND THEIR PROPERTIES. A list of materials,

including "Armalac," "Vitrite," "Petrifite," "Micanite," "Vulcabeston,"

"Stabilite," "Megohmite," etc. With tables.

5. ARMATURE WINDING SCHEMES. Lap Windings, Ring Windings, Wave Windings,

Series Ring-Windings, Winding FormulÊ. Number of circuits. Equalizing

connections. COLORED PLATES.

6. ESTIMATION OF LOSSES, HEATING AND PRESSURE-DROP. Copper Losses, Iron

Losses, Excitation Losses, Commutator Losses, Losses through sparking.

Friction and Windage Losses. Secondary Copper Losses.

7. THE DESIGN OF CONTINUOUS CURRENT DYNAMOS. Working Constants and Trial

Values; Flux-densities; Length of Air-gap; Number of Poles; Current

Densities; Number of Armature Conductors; Number of Commutator Segments;

Size of Armature (Steinmetz coefficient); Assignment of Losses of Energy;

Centrifugal Forces; Calculation of Binding Wires; Other procedure in

design. Criteria of a good design. Specific utilization of material.

8. EXAMPLES OF DYNAMO DESIGN.

1. Shunt-wound multipolar machine, with slotted drum armature. 2.

Over-compounded Multipolar traction generator, with slotted drum

armature, with general specifications, tables, dimensions and drawings,

fully described.

A number of examples of generators are given in each chapter, fully

worked out with rules, tables and data.

VIII. ◊ 253 pages, 92 illustrations, 10 large folding plates and 4

THREE-COLOR PLATES, 8vo., cloth, $3.50.

* * * * *

Dynamo-Electric Machinery

VOL. I.--CONTINUOUS CURRENT.

BY

SILVANUS P. THOMPSON, D.Sc., B.A., F.R.S.

7th Edition Revised and Greatly Enlarged.

CONTENTS OF CHAPTERS.

1. Introductory.

2. Historical Notes.

3. Physical Theory of Dynamo-Electric Machines.

4. Magnetic Principles; and the Magnetic Properties of Iron.

5. Forms of Field-Magnets.

6. Magnetic Calculations as Applied to Dynamo Machines.

7. Copper Calculations; Coil Windings.

8. Insulating Materials and their Properties.

9. Actions and Reactions in the Armature.

10. Commutation; Conditions of Suppression of Sparking.

11. Elementary Theory of the Dynamo, Magneto and Separately Excited

Machines, Self-exciting Machines.

12. Characteristic Curves.

13. The Theory of Armature Winding.

14. Armature Construction.

15. Mechanical Points in Design and Construction.

16. Commutators, Brushes and Brush-Holders.

17. Losses, Heating and Pressure-Drop.

18. The Design of Continuous Current Dynamos.

19. Analysis of Dynamo Design.

20. Examples of Modern Dynamos (Lighting and Traction).

21. Dynamos for Electro-Metallurgy and Electro-Plating.

22. Arc-Lighting Dynamos and Rectifiers.

23. Special Types of Dynamos; Extra High Voltage Machines,

Steam-Turbine Machines, Extra Low Speed Machines, Exciters,

Double-Current Machines, Three-Wire Machines, Homopolar

(Unipolar) Machines, Disk Dynamos.

24. Motor-Generators and Boosters.

25. Continuous-Current Motors.

26. Regulators, Rheostats, Controllers and Starter.

27. Management and Testing of Dynamos.

Appendix, Wire Gauge Tables. Index.

996 pages, 573 illustrations, 4 colored plates, 32 large folding plates.

8vo., cloth. $7.50.[++]

* * * * *

Alternating-Current Machinery

BEING VOL. II OF

Dynamo-Electric Machinery.

BY

SILVANUS P. THOMPSON, D.Sc., B.A., F.R.S.

Owing to the enormous increase in the use of electrical machinery since

the publication of the sixth edition of DYNAMO-ELECTRIC MACHINERY the

author has deemed it advisable to divide the work. Vol. I. is devoted to

DIRECT CURRENT MACHINERY and this the second part. Vol. II. ALTERNATING

CURRENT MACHINERY. Amongst the many new features treated special mention

must be made of the number of fine colored plates of windings and the

many large folding scale drawings. These two volumes make the most

comprehensive and authoritative work on dynamo machinery. The work has

been so universally adopted that it has been found necessary to translate

it into French and German.

CONTENTS OF CHAPTERS.

1. Principles of Alternating Currents.

2. Periodic Functions.

3. Alternators.

4. Induced E.M.F. and Wave-Forms of Alternators.

5. Magnetic Leakage and Armature Reaction.

6. Winding Schemes for Alternators.

7. Design of Alternators. Compounding of Alternators.

8. Examples of Modern Alternators.

9. Steam Turbine Alternators.

10. Synchronous Motors, Motor Generators, Converters.

11. Parallel Running of Alternators.

12. Transformers.

13. Design of Transformers.

14. Induction Motors.

15. Design of Induction Motors.

16. Examples of Induction Motors.

17. Single-Phase Induction Motors.

18. Alternating-Current Commutator Motors.

Appendix. The Standardization of Voltages and Frequencies.

Complete Index.

XX + 848 pages, 546 illustrations, 15 colored plates and 24 large folding

plates. 8vo., cloth. $7.50[++].

* * * * *

Books for Steam Engineers.

=DIAGRAM OF CORLISS ENGINE.= A large engraving giving a longitudinal

section of the Corliss engine cylinder, showing relative positions of the

piston, steam valves, exhaust valves, and wrist plates when cut-off takes

place at 1/4 stroke for each 15 degrees of the circle. With full

particulars. Reach-rods and rock shafts. The circle explained.

Wrist-plates and eccentrics. Explanation of figures, etc. Printed on

heavy paper, size 13 in. ◊ 19 in., =25c.=

=THE CORLISS ENGINE= and its Management. A Practical Handbook for young

engineers and firemen, (3rd edition) by J. T. HENTHORN. A good little

book, containing much useful and practical information. =Illustrated,

cloth, $1.00.=

=THE FIREMAN'S GUIDE= to the Care and Management of Boilers, by KARL P.

DAHLSTROM, M.E., covering the following subjects: Firing and Economy of

Fuel; Feed and Water Line: Low Water and Priming: Steam Pressure:

Cleaning and Blowing Out; General Directions. A thoroughly practical

book. =Cloth, 50c.=

=A B C OF THE STEAM ENGINE.= With a description of the automatic shaft

governor, with six large scale drawings. A practical handbook for firemen

helpers and young engineers, giving a set of detail drawings all numbered

and lettered and with names and particulars of all parts of an up-to-date

American high speed stationary steam engine. Also a large drawing and

full description of the automatic shaft governor. With notes and

practical hints. This work will prove of great help to all young men who

wish to obtain their engineer's license. =Cloth, price 50c.=

=HOW TO RUN ENGINES AND BOILERS.= By E. P. WATSON, (for many years a

practical engineer, and a well-known writer in _The Engineer_.) A

first-rate book for beginners, firemen and helpers. Commencing from the

beginning, showing how to thoroughly overhaul a plant, foundations,

lining up machinery, setting valves, vacuum, eccentrics, connection,

bearings, fittings, cleaning boilers, water tube boilers, running a

plant, and many useful rules, hints and other practical information; many

thousands already sold. =160 pages, fully illustrated, cloth, $1.00.=

=AMMONIA REFRIGERATION.= By I. I. REDWOOD. A practical work of reference

for engineers and others employed in the management of ice and

refrigerating machinery. A first-rate book, beginning from the bottom and

going carefully through the various processes, stage by stage, with many

tables and original illustrations. =Cloth, $1.00.=

=MEYER SLIDE VALVE.= Position diagram of cylinder with cutoff at 1/8,

1/4, 3/8 and 1/2 stroke of piston with movable valves, on card 7-1/2 in.

◊ 5-1/2 in. =Price, 25c.=

* * * * *

AN ELEMENTARY TEXT-BOOK

ON STEAM ENGINES AND BOILERS,

FOR THE

USE OF STUDENTS IN SCHOOLS AND COLLEGES.

BY J. H. KINEALY.

_Professor of Mechanical Engineering, Washington University._

Illustrated with Diagrams and Numerous Cuts, Showing American Types

and Details of Engines and Boilers.

This book is written solely as an elementary text-book for the use of

beginners and students in engineering, but more specially for the

students in the various universities and colleges in this country.

No attempt has been made to tell everything about any one particular

subject, but the author has endeavored to give the student an idea of

elementary thermodynamics, of the action of the steam in the cylinder of

the engine, of the motion of the steam valve, of the differences between

the various types of engines and boilers, of the generation of heat by

combustion, and the conversion of water into steam.

Care has been taken not to touch upon the design and proportion of the

various parts of engines and boilers for strength; as, in the opinion of

the writer, that should come after a general knowledge of the engine and

boiler has been obtained.

In the derivation of some of the formulÊ in thermodynamics, it has been

necessary to use the calculus, but the use of all mathematics higher than

algebra and geometry has been avoided as much as possible.

An earnest endeavor has been made to present the subject in a clear and

concise manner, using as few words as possible and avoiding all padding.

CONTENTS OF CHAPTERS.

Chapter I.--Thermodynamics; First Law of Thermodynamics; Work, Power;

Unit of Heat; Mechanical Equivalent; Application of Heat to Bodies;

Second Law of Thermodynamics; Specific Heat; Absolute Temperature;

Application of Heat to a Perfect Gas; Isothermal Expansion; Adiabatic

Expansion; Fusion; Vaporisation; Application of Heat to Water;

Superheated Steam. Chapter II.--Theoretical Heat Engine; Cycle;

Thermodynamic Efficiency; Perfect Gas Engine; Perfect Steam Engine;

Theoretical Diagram of the Real Engine; Clearance; Efficiency

* * * * *

THE SLIDE VALVE

SIMPLY EXPLAINED.

By W. J. TENNANT, Asso. M. Inst. Mech. E.

The work has been thoroughly revised and enlarged

in accordance with the present American Practice.

By J. H. KINEALY, D. E., M. Am. Soc. Mech. E.

The work is based upon notes and diagrams which were prepared by Mr.

Tennant in his lectures to his classes of working engineers and students

towards the obtainment of clear _general_ notions upon the Slide Valve,

its design, varieties, adjustments and management. They have been revised

and considerably added to and in this form the authors believe they will

be of considerable value to all engineers and others interested in steam

engines.

CONTENTS OF CHAPTERS.

I. The Simple Slide.

II. The Eccentric a Crank. Special Model to give Quantitative

Results.

III. Advance of the Eccentric.

IV. Dead Centre. Order of Cranks. Cushioning and Lead.

V. Expansion--Inside and Outside Lap and Lead; Advance affected

thereby. Compression.

VI. Double-ported and Piston Valves.

VII. The Effect of Alterations to Valve and Eccentric.

VIII. Note on Link Motions.

IX. Note on very early cut-off, and on Reversing Gears in general.

The illustrations aim to cover the different kinds of Slide Valves,

and the circular diagrams will prove a novel feature.

88 Pages. 41 Illustrations. 12mo. Cloth, $1.00

* * * * *

LUBRICANTS,

OILS AND GREASES.

TREATED THEORETICALLY AND GIVING PRACTICAL

INFORMATION REGARDING THEIR

COMPOSITION, USES AND MANUFACTURE.

_A PRACTICAL GUIDE FOR MANUFACTURERS, ENGINEERS,

AND USERS IN GENERAL OF LUBRICANTS._

By ILTYD I. REDWOOD,

Associate Member American Society of Mechanical Engineers; Member

Society Chemical Industries (England); Author of 'Theoretical and

Practical Ammonia Refrigeration,' and a 'Practical Treatise on Mineral

Oils and Their By-Products.'

CONTENTS.

INTRODUCTION.--Lubricants.

THEORETICAL.

CHAPTER I.--Mineral Oils: American and Russian; Hydrocarbons.

CHAPTER II.</sc>--Fatty Oils: Glycerides; Vegetable Oils; Fish Oils.

CHAPTER III.</sc>--Mineral Lubricants: Graphite; Plumbago.

CHAPTER IV.</sc>--Greases: Compounded; "Set" or Axle; "Boiled" or Cup.

CHAPTER V.</sc>--Tests of Oils: Mineral Oils. Tests of Oils: Fatty Oils

MANUFACTURE.

CHAPTER VI.--Mineral Oil Lubricants: Compounded Oils; De-bloomed Oils.

CHAPTER VII.</sc>--Greases: Compounded Greases; "Set" or Axle Greases;

Boiled Greases; Engine Greases.

APPENDIX.--The Action of Oils on Various Metals. Index.

TABLES: I.--Viscosity and Specific Gravity. II.--Atomic Weights.

III.--Origin, Tests, Etc. of Oils. IV.--Action of Oils on Metals.

LIST OF PLATES: I.--I. I. Redwood's Improved Set Measuring Apparatus

II.--Section Grease Kettle. III.--Diagram of Action of Oils on Metals.

8vo. Cloth. $1.50.

* * * * *

Mechanical Draft.

BY

J. H. KINEALY, M. Am. Soc. M.E.

_Past President American Society Heating and Ventilating Engineers._

PREFACE.

In writing this book the author has assumed that those who will use it

are familiar with boilers and engine plants, and he has had in mind the

practicing engineer who is called upon to design power plants, and who

must therefore decide when it is best to use some form of mechanical

draft. The arrangement of the book is what the experience of the author

in making calculations for mechanical draft installations has shown him

is probably the best. And he has tried to arrange the tables in such a

way and in such a sequence that they may prove as useful to others as

they have to him.

CONTENTS OF CHAPTERS.

1. GENERAL DISCUSSION. Introduction; systems of mechanical draft;

chimneys v. mechanical draft; mechanical draft and economizers.

2. FORCED DRAFT. Systems; closed fire-room system; closed ashpit system;

small fan required; usual pressure; forced draft and economisers;

advantages; disadvantages.

3. INDUCED DRAFT. Introduction; temperature of gases; advantages;

disadvantages.

4. FUEL AND AIR. Weight of coal to be burned; evaporation per lb. of

coal; effect of rate of evaporation; weight of air required; volume of

air and gases; volume of gases to handle; leakage; factor of safety.

5. DRAFT. Relation to rate of combustion; resistance of grate; resistance

due to economizer; draft required under different conditions.

6. ECONOMIZERS. Effect of adding; ordinary proportion and cost; increase

of temperature of feed water.

7. FANS. Type and proportions of fan used; relation between revolution of

fan and draft; capacity of fan.

8. PROPORTIONING THE PARTS. Diameter of fan wheel required; speed at

which the fan must run; power required to run the fan; size of engine

required; steam used by fan engine; choosing the fan for forced draft,

for induced draft without economizer, for induced draft with economizer;

location of the fan; breeching and up-take; inlet chamber; discharge

chimney; by-pass; water for bearings.

Appendix. Tables. Index. 156 pages. 13 plates. 16mo.

Cloth, $2.00.

* * * * *

THE AUTHORITY ON THIS SUBJECT.

CENTRIFUGAL FANS.

A THEORETICAL AND PRACTICAL TREATISE ON

Fans for Moving Air In Large Quantities

At Comparatively Low Pressures.

BY

J. H. KINEALY, M. Am. Soc. M.E.

Past-President American Society Heating and Ventilating Engineers.

The matter in this book was a series of articles written for the

_Engineering Review_. The favorable attention which they attracted lead

the author to believe that there was a real demand for a book treating in

a theoretical as well as a practical way on centrifugal fans. The

articles have been thoroughly revised, added to, and made as complete as

possible.

Contents of Chapters.

1. Flow of Air; Volume of Air Flowing; Pressure Necessary for

required velocity.

2. Vortex; Vortex with Radial Flow.

3. Fans; First Type of Fans; Second or Guibal Type of Fans; Third

Type of Fans; Modern Type.

4. Fan Wheel; Vanes or Floats; Inlet; Width.

5. Capacity; Blast Area; Effect of Outlet on Capacity; Air per

Revolution.

6. Pressure; Work.

7. Horse Power Required to Run a Fan; Engine Required to Run a Fan;

Motor Required to Run a Fan; Width of Belt.

8. Efficiency; Air per Horse Power.

9. Exhausters.

10. Housing; Dimensions of Housings; Shaft.

11. Cone Wheels.

12. Disk Fans; Number of Revolutions per Minute; Capacity of a Disk

Fan; Horse Power Required.

13. Choosing a Fan. Index.

Twenty-two tables have been prepared and they have been arranged in the

way, which the experience of the author in designing heating and

ventilating plants has shown to be the most convenient. The tables are

full and complete, all calculations having been very carefully checked,

read and revised. XIV. + 206 pages, 39 diagrams. Full limp leather

pocketbook.

=Round Corners, gilt edges. $5.00.[++]=

* * * * *

CHARTS FOR

LOW PRESSURE STEAM HEATING

for the use of

ENGINEERS, ARCHITECTS, CONTRACTORS AND

STEAM FITTERS.

By J. H. KINEALY, M.E.

_M. Am. Soc. M. E., M. Am. Soc. of H. and V. Eng'rs, &c., &c._

The author has long been in the habit of using charts to aid him in his

work. Knowing the value of them in saving time, simplifying work and

ensuring correct calculations he feels confident that they will be

appreciated by engineers, architects and contractors, for whose benefit

they have been compiled. Care has been taken to make the charts as clear

and as easily understood and, above all, as accurate as possible. They

have been based upon theoretical considerations, modified by what is

considered to be good practice in this country.

CHART 1.--This chart is for determining the number of square feet of

heating surface of a low pressure steam heating system, pressure not to

exceed 5 lbs. per square inch by the gauge, necessary to supply the heat

lost through the various kinds of wall surfaces of rooms. The chart is

divided into four parts. CHART 2.--For determining the diameters of the

supply and return pipes for a heating system. CHART 3.--For finding the

number of square feet of boiler heating surface and the number of square

feet of grate surface for a boiler that is to supply steam to a steam

heating system. CHART 4.--For determining the area of the cross section

of a square flue, or the diameter of a round flue, leading from an

indirect radiation heater to the register in a room to be heated.

Full details are given for the use of these cards.

These four charts are printed on heavy white card-board and bound

together with cloth, size 13 in. by 9-1/4 in., $1.00[++].

_These cards are securely packed for mail and sent to any part of the

World on receipt of price._

* * * * *

Gas Analyst's Manual.

By JAQUES ABADY, M. Inst. Mech. E.

_(Incorporating F. W. Hartley's "Gas Analyst's Manual" and "Gas

Measurement.)"_

EXTRACT FROM PREFACE.

The numerous requests received by the Publishers for the late Mr. F. W.

Hartley's "Gas Analyst's Manual" and "Gas Measurement" form the

justification of the present work, which embodies practically the entire

contents of those two volumes. It has been found, however, that their

scope was too narrow to comply with modern requirements in various

directions, although ample at the time they were written, and so I have

ventured to add such extensions as appeared to be necessary in order to

meet the demand which exists for a comprehensive work on Gas Apparatus

and its use.

This large work has been in course of preparation for the past three

years by Mr. Jaques Abady, and has been very carefully revised by other

experts.

Many valuable tables of data have been included, a number of which come

from the private note books of the Author, being practically results

obtained by him during many years of work as Expert, Gas Engineer and

Gas-Works Materials Manufacturer.

CONTENTS OF CHAPTERS.

1.--Photometry (58 pages.)

2.--The table photometer and Photometer Room (38 pages.)

3.--Standard of Light (32 pages.)

4.--Calorimetry and Specific Gravity, with a note on Mond Gas

(48 pages.)

5.--The Referees' Test for Sulphur and Ammonia in Gas (28 pages.)

6.--Coal Testing (22 pages.)

7.--Testing Enrichment and Purification Materials (33 pages.)

8.--Purity Tests for Gas in the Various Stages of its Manufacture

(43 pages.)

9.--Testing Bye-products (35 pages.)

10.--Technical Gas Analysis (63 pages.)

11.--Meter-Testing Apparatus (48 pages.)

12.--Meter and Governor Testing (34 pages.)

Appendix. Data, Tables, FormulÊ, etc., (38 pages).

And very complete Contents, Index and List of Illustrations, and Tables,

&c. &c. XV+560 pages, 5-1/2 ◊ 8-1/2 in., 93 illustrations and 9 folding

plates.

=Bound in Handsome Half Leather - $6.50 [++]=

* * * * *

The Design and Construction

OF

OIL ENGINES.

WITH FULL DIRECTIONS FOR

Erecting, Testing, Installing, Running and Repairing.

Including descriptions of American and English

KEROSENE OIL ENGINES.

By A. H. GOLDINGHAM, M.E.

SYNOPSIS OF CONTENTS OF CHAPTERS:

1. Introductory; classification of oil engines; vaporizers; ignition and

spraying devices; different cycles of valve movements. 2. On design and

construction of oil engines; cylinders; crankshafts; connecting rods;

piston and piston rings; fly-wheels; air and exhaust cams, valves and

valve boxes; bearings; valve mechanism, gearing and levers; proportions

of engine frames; oil-tank and filter; oil supply pipes; different types

of oil engines; cylinders made in more than one piece; single cylinder

and double cylinder engines; crankpin dimensions; fitting parts;

assembling of oil engine; testing water jackets, joints, etc. 3. Testing

for leaks, faults, power, efficiency, combustion, compression; defects as

shown by indicator; diagrams for setting valves; how to correct faults;

indicator fully described; fuel consumption test, etc. 4. Cooling water

tanks; capacity of tanks; source of water supply; system of circulation;

water pump; exhaust silencers; self starters; utilization of waste heat

of exhaust. 5. Oil engines driving dynamo; installation of plant; direct

and belt connected; belts; power for electric lighting; loss of power. 6.

Oil engines driving air compressors; direct connected and geared; table

of pressures; pumping outfits; oil engines driving ice and refrigeration

outfits. 7. Full instructions for running different kinds of oil engines.

8. Hints on repairs; adjustment of crank-shaft and connecting rod

bearing; testing oil inlet valves and pump, fitting new spur gears, etc.

9. General descriptions with illustrations of American and English oil

engines; methods of working; portable oil engines, etc., etc. Index and

tables.

XIII. + 196 pages, 7-1/2 ◊ 5-1/2, 79 illustrations, cloth, $2.00

* * * * *

PRACTICAL HANDBOOK

ON

GAS ENGINES.

_With Instructions for Care and Working of the Same._

By G. LIECKFELD, C.E.

TRANSLATED WITH PERMISSION OF THE AUTHOR BY

Geo. Richmond, M.E.

TO WHICH HAS BEEN ADDED FULL DIRECTIONS FOR THE RUNNING OF

OIL ENGINES.

CONTENTS.

Choosing and installing a gas engine. The construction of good gas

engines. Examination as to workmanship. As to running. As to economy.

Reliability and durability of gas engines. Cost of installing a gas

engine. Proper erection of a gas engine. Construction of the foundation.

Arrangement for gas pipes. Rubber bag. Locking devices. Exhaust pipes.

Air pipes. Setting up gas engines. Brakes and their use in ascertaining

the power of gas engines. Theory of the brake. The Brauer band brake.

Arrangement of a brake test. Explanation of the expressions "Brake Power"

and "Indicated Power." Comparisons of the results of the brake test and

the indicated test. Quantity of work consumed by external friction of the

engine. Distribution of heat in a gas engine. Attendance on gas engines.

General remarks. Gas engine oil. Cylinder lubricators. Rules as to

starting and stopping a gas engine. The cleaning of a gas engine. General

observations and specific examination for defects. Different kinds of

defectives. The engine refuses to work. Non-starting of the engine. Too

much pressure on the gas. Water in the exhaust pot. Difficulty in

starting the engine. Clogged slide valve. Leaks in gas pipes. Unexpected

stopping of engine. Irregular running. Loss of power. Weak gas mixtures.

Late ignition. Cracks in air inlet. Back firing. Knocking and pounding

inside of engine. Dangers and precautionary measure in handling gas

engines. Examination of gas pipes. Precautions when:-Opening gas valves.

Removing piston from cylinder. Examining with light openings of gas

engines. Dangers in starting. Dangers in cleaning. Safeguards for

fly-wheels. Danger of putting on belts. =Oil Engines.= Gas engines with

producer gas. Gasoline and oil engines. The "Hornsby-Akroyd" oil engine.

Failure to start. Examination of engine in detail. Vaporizer valve box.

Full detailed directions for the management of Oil Engines. Concluding

remarks. 120 pages, illustrated, 12mo. cloth. $1.00

* * * * *

THE CHEMISTRY OF FIRE

AND

FIRE PREVENTION.

A HANDBOOK FOR INSURANCE SURVEYORS,

WORKS MANAGERS, AND ALL INTERESTED

IN FIRE RISKS AND THEIR DIMINUTION

BY

HERBERT INGLE, F.I.C., F.C.S.

AND

HARRY INGLE, PH.D., B.SC.

TECHNOLOGICAL CHEMIST.

Contents of Chapters.

I. Definition of Fire, Old Theories as to its Nature, Modern Views of

Combustion--The Physical and Chemical Properties of the Atmosphere, the

Chief Properties of its Constituents--Some Conditions Affecting the

Combustion of Substances in Air, the Principle of the Miner's Safety

Lamp.

II. Explanation of Chemical Terms, Outline of the Atomic Theory. Brief

Explanations of the Use of Chemical FormulÊ and Equations.

III. Methods of Preparations of Oxygen, Brin's Oxygen Manufacture--Heat

Measurements, the Calorimeter, Calorific Power of Substances Burning in

Air.

IV. Coal Gas: Its Preparation, Purification and Composition--Properties

of Its Chief Constituents--Reciprocity of Combustion--Gaseous

Diffusion--Explosion of Gases--Dust Explosions.

V. Fuel: Chemical Composition of Wood, Charcoal, Peat, Lignite, Coal,

Coke, Petroleum, Coal Gas--Use of "Atmospheric Burners"--Producer

Gas--Water Gas--Dawson Gas.

* * * * *

CROSS SECTION PAPER.

=Scale EIGHT to ONE Inch.=

THE HANDY SKETCHING PAD.

Printed on one side, in blue ink, all the lines being of equal thickness

with useful tables. Size 8 ◊ 10 inches. Price, 25c. each. Per dozen pads,

$2.50.

THE HANDY SKETCHING BOOK.

Made from this paper but printed on both sides. Size of book 5 ◊ 8

inches, stiff board covers. Price, 25c. each; per dozen books, $2.50.

=Scale EIGHT to ONE Inch.=

A large sheet with heavy inch lines and half inch lines, printed in blue

ink. Size of sheet, 17 ◊ 22 inches. Per quire (24 sheets),

=Scale TEN to ONE Inch.=

Size 17 ◊ 22 inches, printed in blue ink, with heavy inch lines and half

inch lines. Per quire (24 sheets),

The Electrician's Sketching Book.

Made from this paper. Scale 10 to 1 inch. Size of book 5 ◊ 8 inches, with

stiff card board covers. Price, 25c. each; per dozen, $2.50.

The Electrician's Plotting Pad.

Same paper, only printed on one side, size of pad, 8 ◊ 10 inches, 25c;

per dozen, $2 50.

Any Books and Pads Assorted, per dozen, $2 50.

ANY QUANTITY MAILED TO ANY PART OF THE WORLD

POST-PAID ON RECEIPT OF PRICE.

This paper is _Printed from plates_. Try it and you will find it

GOOD, ACCURATE AND CHEAP.

SPON & CHAMBERLAIN,

NEW YORK, U. S. A.

* * * * *

25c. BOOKS.

=MODEL BOILER MAKING.= Contains full instructions for designing and

making model stationary, marine and locomotive boilers. Fully illustrated

with original working drawings.

=METAL WORKING TOOLS AND THEIR USES.= A Handbook for Young Engineers and

Apprentices. Shows how to use simple tools required in metal working and

model making. Illustrated.

=SIMPLE MECHANICAL WORKING MODELS.= How to make and use them, including

stationary engine locomotive, steamboat, waterwheel, etc. With 34

illustrations.

=MODEL STEAMER BUILDING.= A practical handbook on the design and

construction of model steamer hulls, and fittings, with 39 scale

drawings.

=MACHINERY FOR MODEL STEAMERS.= On the design, construction, fitting and

erecting of engines and boilers for model steamers, with 44 scale

drawings.

=THE SLIDE VALVE.= Simply explained for working engineers. Fully

illustrated.

=THE LOCOMOTIVE=, simply explained. A first introduction to the study of

the locomotive engine, their designs, construction and erection, with a

short catechism, and 26 illustrations.

=THE BEGINNER'S GUIDE TO THE LATHE.= An elementary instruction book on

turning in wood and metal. By P. MARSHALL. 76 pages, 75 illustrations.

=GAS AND OIL ENGINES.= A practical handbook on, with instructions for

care and running. Illustrated.

=STANDARD SCREW THREADS.= A Guide to Standard Screw Threads and Twist

Drills. (Small sizes.) Illustrated.

=STEAM TURBINES.= How to design and build them. A practical handbook for

model makers. Contents of Chapters. 1. General Consideration. 2. Pressure

Developed by an Impinging Jet; Velocity and Flow of Steam Through

Orifices. 3. Method of Designing a Steam Turbine. 4. Complete Designs for

DeLaval Steam Turbines; Method of Making Vanes; Shrouding. 5. The Theory

of Multiple Stage Turbines. Fully illustrated with detail drawings and

tables.

=MECHANICAL DRAWING=, simply explained. Use of instruments, reading and

setting out drawings, inking in and finishing, drawings for reproduction,

lettering, with 44 illustrations.

=ACETYLENE GAS.= How to make and use it. A practical handbook on the uses

of Acetylene Gas, suitable apparatus for its generation, hints and

fitting up, etc. 34 illustrations.

=LETTERING FOR DRAWINGS.= A System of Easy Lettering, by J. H. CROMWELL,

with an appendix of eight new alphabets by G. Martin. Giving a variety of

very attractive alphabets suitable for engineering and architectural

drawings. =8th thousand. 50c.=

=PROJECTION DRAWING.= Twelve plates on, by OSWALD GUETH, M.E., Inst.

Mech. Drawing, Cooper Inst., N. Y. Arranged in three sections:

_Projections_, plate 1, Prisms; 2, Pyramids; 3, Inclined Prisms; 4,

Inclined Pyramids. _Sections_, plate 5, Prisms and Pyramids; 6, Cones; 7,

Spheres; 8, Various Solids. _Intersections_, plate 9, Prisms; 10,

Cylinders; 11, Spheres; 12, Prisms and Pyramids. =Size, 8-1/2[**

fraction] ◊ 11 in., sewn, 75c.=

=ENGINEERING MATHEMATICS.= Simply explained. A text-book for students,

apprentices and engineers. By H. H. HARRISON. =165 pages, 59 diagrams,

cloth, 75c.=

=ALGEBRA SELF-TAUGHT.= By W. P. HIGGS. 7th edition. The simplest and best

book for beginners, mechanics, young engineers and electricians.

Commencing from the very beginning, and advancing step by step, with many

practical examples worked out. The signs given are fully explained. The

language used is so simple that a student can readily master algebra by a

little home study. This is the book to help the young man get into a

better position. =Bound in cloth, 60c.=

=EDUCATIONAL WOODWORK.= By A. C. HORTH. A complete manual for teachers

and organizers of woodworking classes. Contents of Chapters: 1. First

Year Course. 2. Second Year Course. 3. Third Year Course. 4. Fittings and

Furniture. 5. Discipline. 6. Organization and Method. 7. The Instruction

of the Physically and Mentally Deficient and Blind. 8. Object Lessons.

Fully illustrated with reproductions from photographs, drawings, and

facsimile black-board lessons. =158 pages, 12mo., cloth, $1.00 net.=

=WOODWORK JOINTS.= How to make and where to use them; including mortise

and tenon joints, lap joints, dovetail joints, glue joints and scarfing

joints. With a chapter on circular woodwork, revised and enlarged

edition, 101 pages, 178 illustrations. =25c.=

=THE BEGINNER'S GUIDE TO FRETWORK.= Containing full instructions on the

Use of Tools and Materials; and six full size Fretwork designs. With 39

pages and 26 illustrations. =25c.=

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INTRODUCTION.--Notes on natural fruit juices and improved methods for

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raspberry, red current, red orange, scuppernong grape, strawberry, wild

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Transcriber's Notes:

The original spelling and minor inconsistencies in the spelling and

formatting have been maintained.

Inconsistent hyphenation is as in the original if not marked as a

misprint.

Text in italics has been marked with underscores (_text_) and bold text

with egual signs (=text=)

Inconsistent smallcap mark-up of the word Fig. in captions has been

harmonized to FIG.

Missing punctuation in the advertisement at the end of the book has been

added.

Table A has been re-arranged to fit the line size.

Table II and B have been split into two parts.

The table below lists all corrections applied to the original text.

p. ix: Gay-Lassacs -> Lussac's

p. x: for molasses. Transportion -> Transportation

p. xii: 30, 31, -> 30, 31

p. 8: Mashes, and Fermentation -> Fermentation.

p. 11: Company, of Cincinnati -> Cincinnati,

p. 11: illustrated in Fig -> Fig.

p. 15: stirrer arms B -> _B_

p. 16: driving shaft F -> _F_

p. 22: This is know -> known

p. 26: of the yeast stops -> stops.

p. 40: pipes G G G -> _G G G_

p. 40: in the worm, -> worm.

p. 57: as the chamber B -> _B_

p. 64: Fig. 22.--Diagramatie -> Diagramatic

p. 68: depriving it of its aclohol -> alcohol

p. 72: Gauge Glass for Regulatar -> Regulator

p. 73: runnings or ".feints." -> "feints."

p. 73: Fig. 29 -> 29.

p. 80: the column _A_ -> _A_.

p. 94: more highly varporized -> vaporized

p. 107: being kept at 65∞F -> 65∞ F

p. 117: saccharification takes place -> place.

p. 138: steam is admitted though -> through

p. 145: is required per arce -> acre

p. 149: which is varied accroding -> according

p. 158: FIF. -> FIG.

p. 185: starch a blue color, -> color.

p. 186: may contain numerious -> numerous

p. 186: processes are largely empirical -> empirical.

p. 191: in the still in Fig. 8 -> 8.

p. 192: money for their proprieters -> proprietors

p. 195: constructed, however, to pervent -> prevent

p. 195: After the chief feremnting -> fermenting

p. 198: rectifying columns, refrigerators -> refrigerators,

p. 198: FIG. 56 -> 55

p. 206: FIG 59. -> FIG. 59.

p. 218: 100 gallons -> gallons.

p. 218: Ethyl Alcohol--100 gallons. -> Ethyl Alcohol 100 gallons.

p. 219: 100 gallons -> gallons.

p. 220: and similar products -> products.

p. 221: on metallic susbtances -> substances

p. 239: used for de-naturign -> de-naturing

p. 246: employees for the work. -> work"

p. 251: subject to the penalites -> penalties

p. 256: de-natured spirits is -> are

p. 259: tax free of domestic alchohol -> alcohol

p. 272: Prof. Silvanus P. Thomson -> Thompson

p. 275: thermostats, annnuciators -> annunciators

p. 285: DIGRAM -> DIAGRAM

p. 292: "Gas Analyst's Manual -> Manual"

p. 292: Mond Gas (48 pages) -> (48 pages.)

p. 292: Tables, Formulae -> FormulÊ

p. 294: "Hornsby-Akroyd' -> "Hornsby-Akroyd"

p. 302: Blackberry, black current -> currant

p. 302: orange, blackberry, black current -> currant

A Practical Handbook on the Distillation of Alcohol from Farm Products · 第 17 / 17 章