Animal trap, B. H. Noelting 209,068

Axle box, car, J. N. Smith 208,993

Axle skein, vehicle, L. A. Winchester 209,096

Ballot box, W. L. Barnes 208,951

Bed bottom, F. W. Mitchell 208,917

Bed bottom, spring, H. Pitcher 208,987

Bed lounge, H. S. Carter 209,019

Bed, spring, A. J. Lattin 208,979

Bedstead fastening, L. P. Clark 209,022

Boilers, low water alarm for steam, G. H. Crosby 208,962

Boot and shoe counter support, etc., J. Wissen 208,943

Bootjack, C. Tyson 209,091

Brake, vacuum, F. W. Eames 208,895

Bran scourer, R. Tyson 209,092

Broom, M. T. Boult 209,017

Brush, A. C. Estabrook 208,898

Camera, J. W. T. Cadett 208,956

Can, E. Norton 209,070

Can, metallic, J. Broughton 209,009

Can, oil, A. E. Gardner 209,037

Can, sheet metal, A. N. Lapierre 209,060

Car bumper, S. M. Cummings (r) 8,448

Car coupling, J. Simmons 208,934

Car draw bar attachment, railway, J. H. Smitt 208,994

Car journal box, F. M. Alexander 208,947

Car running gear, railway, J. C. Weaver 209,093

Cars, dust deflector for, Morgan & Gilleland 209,066

Carbureter, air, G. Reznor 209,076

Carriage, C. H. Palmer, Jr. 208,923

Carriage seats, corner iron for, L. Emerson 208,971

Carriage top standard, F. W. Whitney 209,097

Cartridge loading machine, G. S. Slocum 208,935

Cartridges, machine for gauging, J. H. Gill 208,903

Casting andirons, mould for, S. E. Jones 209,054

Casting temple rollers, mould for, J. B. Stamour 208,997

Chair for children, high, J. Nichols (r) 8,454

Chair, reclining, N. N. Horton 208,907

Chalk, sharpener for tailor's, J. Butcher 208,955

Churn, J. H. Folliott 209,033

Churn, reciprocating, L. B. Wilson 208,941

Clasp, T. P. Taylor 208,998

Clock striking attachment, D. C. Wolf 209,098

Cock, steam, G. H. Crosby 208,961

Coin holder, C. H. Carpenter 208,958

Coin holder, B. McGovern 208,984

Coin measure, C. H. Fuller 208,902

Coke oven, W. H. Rosewarne 208,930

Combing machine, Rushton & Macqueen 208,991

Cooler and filter, water, J. C. Jewett 208,909

Cooler, water, G. W. Malpass 208,913

Cotton gin, J. B. Hull 209,049

Crucible machine, J. C. Clime 208,960

Cultivator, J. C. Bean 209,005

Cultivator, B. H. Cross 208,964

Cultivator, C. Nash 208,921

Dental foil package, R. S. Williams 209,002

Dental plugger, W. G. A. Bonwill 209,006

Desk, H. E. Moon 208,919

Doffer combs, operator for, E. Wright 208,946

Draught equalizer, L. O. Brekke 209,007

Dredging machine, J. B. Eads 208,894

Drill cleaner, grain, J. W. Lucas 208,982

Dummy, H. H. Baker 208,881

Ear ring, W. P. Dolloff 208,968

Electric machine, dynamo, E. Weston 209,094

Elevator, windlass water, J. Knipscheer 209,057

End gate fastening, F. Rock 208,928

Evaporator, fruit and vegetable, J. W. Powers 208,925

Excavating machine, J. T. Dougine 208,893

Exercising machine, W. J. O. Bryon, Jr. 208,954

Exhaust nozzle, N. J. White 208,939

Fabric cutter, Muehling & Davis 208,920

Feathers for dusters, G. M. Richmond 209,080

Fence, J. Williams 209,095

Fence, picket, Terry & W. W. Green, Jr. 209,089

Firearm, breech-loading, H. C. Bull 209,010

Firearm, breech-loading, J. D. Coon 208,889

Fire escape, V. Wohlmann 208,944

Firekindler, T. M. Benner 208,882

Firekindler, E. J. Norris 209,069

Fluting machine, C. G. Cabell (r) 8,453

Fork, W. H. Kretsinger 209,058

Fuel compressor, W. H. Rosewarne 208,929

Gas burner, pressure governing, J. N. Chamberlain 209,021

Gas burners, apparatus for, A. L. Bogart 209,016

Gate, C. D. & I. Haldeman 209,040

Gate, J. S. Henshaw 208,976

Gate, Nason & Wilson (r) 8,456

Grain binder, M. A. Keller 209,059

Grain separator, G. W. Earhart 208,896

Gun, air, B. T. Babbitt 209,014

Harness, neck yoke attachment for, J. S. Nelson 208,922

Harrow, sulky, S. C. Dix 209,028

Harvester rake, J. Barnes 208,950

Harvester reel, Hodges & Mohler 209,047

Head light, locomotive, E. L. Hall 209,041

Heels, turner for wooden, Prenot & Marchal 208,989

Hide and skin dresser, C. Molinier 208,918

Hitching post, Thomas & Knox 209,090

Hoe. T. Weiss 209,000

Hog cholera compound, M. Hemmingway 208,975

Horse collar, J. J. Crowley 209,025

Horse power, C. H. Baker 208,948

Horsepower, A. B. Farquhar 209,032

Horse toe weight, J. W. Bopp 208,927

Ice, manufacturing, A. Albertson (r) 8,455

Indicator, water level, E. Jerome 209,052

Journal, R. Macdonald 208,983

Journal bearing, W. W. Smalley 209,084

Knife, chopping, W. Millspaugh 209,065

Knob attachment, door, J. F. Peacock 208,924

Lamp holder, A. A. Noyes 209,071

Lamp bowl, F. Rhind 209,077

Lamp chimney, nursery, E. Mecier 208,916

Lamp, miner's, W. Roberts 209,082

Lamp, self-extinguishing, F. Rhind 209,078

Lantern, J. H. Irwin 209,051

Lantern, signal. H. E. Pond (r) 8,457

Latch, B. W. Foster 209,034

Lathe for turning regular forms, E. A. Marsh 209,064

Lead, refining, impure, N. S. Keith 209,056

Leather skiving machine, M. M. Clough 208,959

Leather splitting machine, A. E. Whitney 209,001

Loom temple, J. B. Stamour 209,101

Lubricator, N. Seibert 208,932

Lubricator, steam cylinder, N. Seibert 208,931

Marble, slate, etc., ornamenting, W. K. Lorenz 209,062

Match dipping machine, A. R. Sprout 208,996

Meter, steam diaphragm, C. Holly 209,048

Middlings bolt, M. Inskeep 209,050

Middlings separator, G. T. Smith. 208,936

Musical instrument, E. P. Needham (r) 8,451

Musical string instruments, key for, F. Z. Nicolier 208,985

Needle, J. Burrows 209,018

Oat meal machine, Eberhard & Turner 208,970

Ordnance, operating heavy, H. C. Bull 209,011

Ore separator, P. Plant 209,074

Oven, hot blast, Miles & Burghardt 208,915

Package wrapper, G. V. Hecker 209,044

Packing for piston rods, metallic, M. H. Gerry 208,973

Pan cover, milk, C. C. Fairlamb 208,900

Paper feeding apparatus, F. H. Lauten 208,980

Paper making machines, box for, C. Young 209,003

Paper pulp, reducing wood to, Cornell & Tollner 208,890

Peach parer, W. S. Plummer 208,988

Pen, puncturing, J. M. Griest 208,905

Pessary, medicated, T. N. Berlin 208,883

Pipe, smoking, W. H. Caddy 208,886

Planter, corn, Brigham & Flenniken 208,885

Planter, grain, C. E. McBonn 208,914

Planter, seed, G. A. Woods 208,945

Plaster bandages, making, C. G. Hill 209,045

Plow, C. Myers 209,067

Plow and harrow attachment, shovel, A. Heartsill 209,043

Plow and harrow, W. G. Himrod 209,046

Plow clevis, H. Estes 208,899

Plow, hillside, shovel, and subsoil, E. Tate 209,088

Plow, sulky, F. H. Isaacs 208,978

Press, cotton and hay, Tappey & Steel 209,087

Printing and painting machine, O. Currier 208,892

Printing, photo-mechanical, M. R. Freeman 209,036

Propelling vessels, P. Boisset 208,952

Pulleys to wheels, engaging, Blake & Davis 208,884

Pump, S. Stucky 209,086

Pump, double acting lift, Dean & Pike 209,027

Rafter, F. M. Covert 209,024

Railway rails, muffling, A. Atwood 208,880

Railway signal, C. E. Hanscom 209,042

Railway signal, electro-magnetic, H. W. Spang 208,995

Railway track, B. F. Card 208,957

Rake, horse hay, W. Adriance 209,004

Rolling mills, bearing for, S. W. Baldwin 208,949

Roofs, attaching slates to, S. Farquhar 209,031

Rope holding reel, C. N. Cass 209,020

Rosettes from wood, making, J. H. Burnshow 239,012

Seal, baggage, E. J. Brooks 208,953

Seal, metallic, E. J. Brooks 209,008

Seeding machine, S. O. Campbell 208,887

Sewing machine, C. S. Cushman 209,026

Sewing machine, J. A. Davis 208,967

Sewing machine, L. Evans 209,030

Sewing machine, book, J. S. Lever 209,061

Sewing machine, hem stitching, J. A. Lakin 208,911

Sewing machine tuck marker, G. Rehfuss 209,075

Shaft and pulley coupling, H. C. Crowell 208,965

Shears, metal, W. G. Collins 208,888

Ships unloading grain from W. Stanton (r) 8,452

Shoe, J. F. Emerson 208,897

Shutter bower, T. Thorn 208,937

Shutter worker, W. Jones 209,055

Sign, W. Gulden 208,974

Sinks, measuring and weighing, D. T. Winter 208,942

Sled, stone and log, W. Gregg 209,039

Sleigh, propeller, R. Schluter 209,083

Spittoon, T. Loughran 208,981

Spring, car, G. F. Godley 208,904

Spring, vehicle, E. Chamberlin (r) 8,449, 8,450

Spring, vehicle, C. W. Fillmore 208,901

Spring, vehicle, H. R. Huie 208,977

Steamer, feed, Machamer & McCulloch 209,063

Stirrup, saddle, J. M. Freeman 208,972

Stove board, A. C. Stoessiger 209,085

Stove cover and check damper, H. Ritter 209,081

Stove pipe shelf, L. W. Turner 208,938

Stoves, foot bar and rail for, J. Jewett 209,053

Stoves, hood for cooking, S. Cromer 208,891

Stump puller. W. A. Webb 208,999

Sugar, manufacture of hard, J. O. Donner 209,029

Switch cords, tip for, T. B. Doolittle 208,969

Table folding, R. M. Lambie 208,912

Tablet, writing, W. O. Davis 208,966

Target, W. Kuhn 208,910

Ticket, passenger, A. C. Sheldon 208,933

Ticket-reel. T. D. Haehnlen 208,906

Toy money box J. Gerard 209,038

Treadle power, I. M. Rhodes 209,079

Turbines, steam and other, P. C. Humblot 208,908

Valve, J. Patterson 208,986

Valve, feed water regulating, E. C. Da Silva 208,992

Valve gear, steam engine, J. Butcher 209,013

Ventilator, T. Owens 209,072

Wagon jack, W. B. Bartram 209,015

Wagon jack, Williams & Dodge 208,940

Washing machine, D. Coman 209,023

Washing machine, A. R. Fowler 209,035

Washing machine, F. F. Reynolds 208,990

Water gauge, G. H. Crosby 208,963

Weighing apparatus, J. H. Wright 209,099

Window, A. K. Phillips 209,073

Window frame, C. Rebhun 208,926

Wreaths, machine for twining, G. B. Shepard 209,100

TRADE MARKS.

Cigars, cigarettes, etc., E. Hilson 6,726

Cigars, etc., Engelbrecht Fox & Co. 6,724, 6,725

Disinfecting compound, Hance Bros. & White 6,718

Gin, Hoffheimer Brothers 6,729

Lamp chimneys, Norcross, Mellen & Co. 6,730

Liquid cements. W. H. Sanger 6,731

Malt extract, Tarrant & Co. 6,722

Matches, J. Eaton & Son 6,727

Mustard and spices, H. B. Sherman 6,720, 6,721

Perfumery, J. T. Lanman 6,719

Playing cards, The N. Y. Consolidated Card Co. 6,723

Smoking tobacco, H. W. Meyer 6,728

Wash blue, F. Damcke 6,711

DESIGNS.

Carpet, C. Magee 10,870

Cigar boxes, Weller & Repetti 10,871

Font of printing types, J. M. Conner 10,868

Group of statuary, J. Rogers 10,869

Handkerchiefs, J. Grimshaw 10,866, 10,867

* * * * *

THE SCIENTIFIC AMERICAN

EXPORT EDITION.

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QUARTO PAGES, profusely illustrated, embracing:

(1.) Most of the plates and pages of the four preceding weekly issues

of the SCIENTIFIC AMERICAN, with its SPLENDID ENGRAVINGS AND VALUABLE

INFORMATION.

(2.) Prices Current, Commercial, Trade, and Manufacturing

Announcements of Leading Houses. In connection with these

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NOW READY.

THE SCIENTIFIC AMERICAN EXPORT

EDITION FOR NOVEMBER, 1878, WITH

ONE HUNDRED ILLUSTRATIONS.

GENERAL TABLE OF CONTENTS

Of the SCIENTIFIC AMERICAN Export Edition for November,

1878.

I.--INVENTIONS, DISCOVERIES AND PATENTS.

The Incoming Commissioner of Patents.

A South Australian Offer for an Improvement.

The Forster-Firmin Amalgamator. Three engravings.

Lyman's Trigonometer. One figure.

Patent Law.

The Benefits of Patent Rights.

Hop Picking by Machinery.

Description of Recent Most Important Agricultural Inventions.

Displays of Ingenuity at the Boston Mechanics Fair.

Description of Recent Most Important Mechanical Inventions.

New Wilson Oscillating Sewing Machine. Seven figs.

A Nail Gun.

Who will Invent a Satisfactory Milking Machine?

The Hermetical Sanitary Closet. One engraving.

New Refrigerator Basket. Two engravings.

New Fireproof Shutter. One engraving.

Inventors Needed in England.

New Foot Power. One engraving.

New Wool Scouring and Rinsing Machine. One eng.

New Measuring Jacket. Three engravings.

New Rheostat. Two engravings.

The Paris International Patent Congress.

Patent Rights, and Who Oppose Them.

New Gas Regulator. Three engravings.

Combined Traction Engine and Steam Fire Engine. One engraving.

Van Renne's Caloric Engine and Pump. Three engs.

The Watson Pump. One engraving.

The Swedish Buckeye Machine.

Pipe Wrench and Cutter. Two engravings.

Drilling Square Holes. Four figures.

Description of Recent Most Important Engineering Inventions.

New Mortising Machine. One engraving.

New Steam Fire Engine. One engraving.

New Bank Note Paper Wanted.

The Proposed Addition to the Patent Office. Two engravings.

A Year's Work in the Patent Office.

New Rule in Trade Mark Cases.

Electric Light in Chancery.

Novel Egg Opener. Two engravings.

Patents for Protecting the Dead.

Electric Light Patents.

A New Platen Gauge. Four engravings.

New Draughting Pencil. Two engravings.

Gas and Water-tight Cloth.

New Regulator for Clock Pendulums. Two engs.

Steam Engine Governor. One engraving.

Description of Recent Most Important Miscellaneous Inventions.

Notices of New Inventions.

Patent Office Library.

II.--MECHANICS AND ENGINEERING.

Chard's Lubricene and Cups.

The Electric Light and the Gas Companies.

Fuel Gas.

New Ways to Use Iron Wanted.

Progress and Prospects of the East River Bridge. Two engravings.

A Steam Tricycle.

New Artesian Well, Victoria, Spain.

A Long Train.

How a Good House Should be Built.

Jetties Under Water.

How the Capitol at Albany, N. Y., is to be Warmed and Ventilated.

What a Perfect Railway Brake Should do.

The Secret of It.

Florida Ship Canal.

The Torpedo Vessel Destroyer. One illustration.

Steam from Petroleum.

The Motion of a Wagon Wheel.

Building in Steel.

Locomotive for the Metropolitan Elevated Railway. One illustration.

The French Dam Below Pittsburg, Ohio.

The Adelphi Explosion.

"Forney" Locomotive for the New York Elevated Railway. One large engraving.

The Steam Value of Oil Fuels.

The Mechanical and other Properties of Iron and Mild Steel.

French Wheelbarrows. Twenty-five engravings.

Small Steamboats.

Life Preservers.

A Gas Clock.

Another Mountain Railway.

Preservation of Iron.

The Salisbury Furnace for Petroleum.

Danger from Lubricating Oils.

The Testing of Boiler Iron.

Tramway Rail Experiments. Two engravings.

Aluminum and Platinum in the Manufacture of Watches.

Great Machine Tool Makers.

Gas as a Substitute for Solid Fuel.

III.--MINING AND METALLURGY.

The Formation of Quartz.

Depth of Nevada Gold and Silver Mines.

California Mining vs. Farming.

New Form of Iron Manufacture.

Comstock Silver Lodes.

IV.--CHEMISTRY AND PHYSICS.

Dangers from Impure Potassium Iodide.

The Poplar as a Lightning Conductor.

The Mariner's Compass.

Crude Sulphur from Iron Pyrites.

Antimony for Batteries.

Delicate Test for Water.

The Polarization of Electrodes.

Fragarine.

Balata Gum.

Astronomical Notes. Giving the Positions, Rising,

and Setting of the Planets for November.

Professor Morton on the Electric Light.

The Electrical Department in the Mechanic's Fair, Boston.

The Satellites of Mars.

Gold Amalgams.

Another New Electric Light.

Albumen of the Serum and that of Egg, and their Combinations.

A Mirror Telegraph.

Some Modifications of the Microphone and Telephone. Four engravings.

A Chance for Electric Competition.

Advantages of Experimental Study.

The Black Spot of Jupiter.

The Electric Light. With five engravings.

Spontaneous Combustion.

Recent Military Balloon Experiments.

Burner for Electric Light. One engraving.

Artificial Ball Lightning. One engraving.

To Make Corks Air-tight and Water-tight.

Electric Time Service for New York. Four engravings.

The Hosmer Motor.

Polarized Light.

Phosphorescent Timepieces.

The De Meritens Magneto-electric Machine. Two figures.

Cellulose as a Material for Washers.

V.--NATURAL HISTORY, NATURE, MAN, ETC.

The Golden Cup Oak.

Serpulas, or Sea Worms. One engraving.

The King Tody Bird. One engraving.

Life Without Air.

Cadaver-poison of the Australian Natives.

The Contortion of Rocks from Heat Mechanically Generated.

The Stiffening of Plant Stalks.

Immense Labor Performed by Bees.

The Torrey Botanical Club.

The Big Trees of California.

Explorations in Greenland.

The Umbrella Bird. One engraving.

The Argan Tree.

A Spruce-destroying Beetle.

A Geological Discovery in Deep Water.

The Mound Builder's Unit of Measure.

Progress of Horticulture.

Bishop Ferrette on the Cedars of Lebanon.

Special Senses in Insects.

Natural History Notes.

New Cave Discovery in Kentucky.

Longevity of the Horse.

Left-handedness.

Bee Culture in Egypt.

The Poison Ivy and Virginia Creeper. Two engravings.

The Crafty Hermit Crab. One illustration.

VI.--MEDICINE AND HYGIENE.

Nitrate of Amyl in Sea Sickness.

Milk cure for Lead Colic.

Milkweed Juice for Raw Surfaces.

The Use of Snails in Medicine.

The Art of Prolonging Life.

The Deleterious Use of Alum in Bread and Baking

Powders.--Alum being Substituted for Cream of Tartar.

The Treatment of Hydrophobia.

New Use for Warts.

Removal of the Entire Scalp by Machinery.

The Probable Starting Point of the Yellow Fever.

Piedra.

Heredity.

Scientific Reliance on Soap.

The Medical Ice Hat.

Ventilation of Bed Rooms.

The Filtration of Drinking Water.

The Texas "Screw Worm."

VII.--THE PARIS EXHIBITION, SCIENTIFIC MEETINGS, ETC.

Success of American Exhibitors at Paris.

The Main Building at the Exhibition. With one full page illustration.

The French Industrial Exhibition of 1878.

Awards and Honors at Paris.

Ingram Rotary Press. One illustration.

A Grand World's Fair in New York.

A Mexican Exhibition.

Australia to have a World's Fair.

Closing of the French Exhibition.

Hydraulic Motors at the Exhibition. With two engravings.

The National Academy of Sciences.

The Official Reports of the Paris Exhibition.

American Society of Civil Engineers.

VIII.--INDUSTRY AND COMMERCE.

Should the Nation Engage in Manufactures?

American Export of Agricultural Machinery.

Corundum.

American Made Goods Exhibited as European Manufactures.

The California Tea Fields.

An Odd Craft.

Progress of our Foreign Trade.

The Condition of Manufacturing Interests in Germany.

Labor in Chicago.

Apples for Europe.

Adulterated Graham Flour.

Addition to our List of Food Fishes.

Preservation of Milk.

Electrical Test for Oils.

Parsnips.

Russian Pottery. Two engravings.

Notes from the South.--Facts about the Cotton Worm.

The Mediterranean Trade.

American Competition in Great Britain.

Rapid Increase in French Woolen Industries.

The Rockport Granite Quarries.

Trade Mark Treaty with Brazil.

Early Manufacture of Steel Pens.

New and Stale Bread.

Leather from Sheep Stomachs.

New Source of Rubber.

A National Law Governing Adulteration Needed.

How to get Pure Teas.

Skilled Labor in New York City.

French Subsoil and Clearing Plow. One figure.

Opening for Trade in Madagascar.

Handling Grain in Buffalo.

The Blue Process of Copying Tracings.

We Buy of them that Advertise.

Unprofitable Agents.

Various Uses of Paper.

Improved Grinding Mill and Crusher. Two engravings.

The Cultivation of the Common Nettle.

The Economic Products of Seaweed.

The Japanese Wax Tree in California.

Preservation of Food by Gelatin.

Pearl Millet.

To Turn Oak Black.

Dairy and Poultry Produce in America.

Australian Gum Trees.

Frauds in Wine Making.

Removal of Iron Coloring from Liquors.

The Utilization of Iron Slag.

Relative Cost of Coal Transportation by Water and by Rail.

How to get Rid of Ants.

The Science of Milling.

IX.--PRACTICAL RECIPES AND MISCELLANEOUS.

Progress in England and America.

An Improvement on Tea Chromos.

A Correction.

The Stability of Modern Civilization.

Future Rifle Shooting.

"Bruce," the Manchester Fire Horse.

The Trial of the "Pyx."

Early Gold Payments.

Workingmen in England and France.

Washington Memorials in Northamptonshire. Three engravings.

Culinary Uses of Leaves.

A Remarkable Bank Robbery.--Scientific Safeguards Neglected.

Cleopatra's Needle.

A Steam Juryman.

Roads in Baden.

Indications of Progress.

Practical Education in Russia.

Table Forks.

The Cost of Insecurity.

Improved Copying Pencils.

Answers to Correspondents, embodying a large quantity of valuable

information, practical recipes, and instructions in various arts.

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STRONG AND CHEAP SPAR BRIDGES.

General description, dimensions, and particulars, with 2 pages of

drawings, covering illustrations of all the details, for a bridge of

100 feet span or less; specially useful for crossing of creeks, small

rivers, gullies, or wherever a costly structure is not desirable. The

drawings are from the Spar Bridge exhibited at the Centennial, in the

U. S. Department of Military Engineering. These bridges are wholly

composed of undressed stuff. SUPPLEMENT 71. Price 10 cents.

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FIREPROOF DWELLINGS OF CHEAP CONSTRUCTION. A valuable and important

paper, containing Plans and Descriptions of Model Fireproof Dwellings

of cheap construction lately erected in Chicago. By A. J. Smith,

Architect. With 9 illustrations. Plan No. 1 exhibits the construction

of comfortable one-story, 16 ft. front dwellings, of brick and

concrete, finished complete at a cost of $1,200. Plan No. 2 exhibits

the construction of a comfortable 23 ft. front, two-story dwelling,

of brick and concrete, finished complete, with cellar, for $1,700.

Several of these dwellings, on both plans, have been built at the

prices stated. This valuable paper also contains the Report of the

City Authorities of Chicago, certifying to the fireproof nature

of these buildings, with other useful particulars. Contained in

SCIENTIFIC AMERICAN SUPPLEMENT No. 91. Price 10 cts. To be had at this

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OUTWARD MARKS OF A GOOD COW.

By Capt. JOHN C. MORRIS, Pa. Carelessness in Breeding. How to Select

for Breeding. Marks of the Handsome Cow. Care and Training of the

Heifer. Infallible Marks of Good Milkers. Distinguishing Marks and

Characteristics of the "Bastard" and the "Bogus" Cow, etc. Contained,

with useful Remarks on Bee Culture, in SCIENTIFIC AMERICAN SUPPLEMENT

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ON CHRONIC MALARIAL POISONING.

By ALFRED L. LOOMIS, M.D. A Highly Instructive Clinical Lecture,

delivered at the University Medical College, N. Y Contained in

SCIENTIFIC AMERICAN SUPPLEMENT No. 102. Price 10 cents. To be had at

this office and of all newsdealers.

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ICE-HOUSE AND COLD ROOM.--BY R. G. Hatfleld. With directions for

construction. Four engravings. SUPPLEMENT No. 59. Price, 10 cents.

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ALL CLASSES OF READERS find in THE SCIENTIFIC AMERICAN a popular

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aim of the publishers to present it in an attractive form, avoiding

as much as possible abstruse terms. To every intelligent mind, this

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* * * * *

NEW PATENT LAW

FOR

SPAIN, CUBA, PORTO RICO, ETC.

By the terms of the New Patent Law of _Spain_, which has lately gone

into operation, the citizens of the United States may obtain Spanish

Patents on very favorable conditions.

The Spanish Patent covers SPAIN, and all the Spanish Colonies,

including CUBA, Porto Rico, the Philippine Islands, etc. Total cost

of obtaining the Patent, $100. Duration of the Patent, 20 years, 10

years, and 5 years, as follows:

The Spanish Patent, if applied for by the original inventor before his

American patent is actually issued, will run for 20 years. Total cost

of the patent, $100. It covers Spain, Cuba, etc. The Spanish Patent,

if applied for by the original inventor not more than two years after

the American patent has been issued, will run for 10 years. Total cost

of patent, $100. Covers Spain, Cuba, etc.

_A Spanish Patent of Introduction_, good for 5 years, can be taken

by any person, whether inventor or merely introducer. Cost of such

patent, $100. Covers Spain, Cuba, and all the Spanish dominions.

In order to facilitate the transaction of our business in obtaining

Spanish Patents, we have established a special agency at No. 4

Soldado, Madrid.

Further particulars, with Synopsis of Foreign Patents, Costs, etc.,

furnished gratis.

MUNN & CO.,

Solicitors of American and Foreign Patents,

Proprietors of the SCIENTIFIC AMERICAN,

37 PARK ROW, NEW YORK.

* * * * *

WATER SUPPLY FOR TOWNS AND Villages.--By Clarence Delafield, C.E.

A concise and valuable report, showing the costs and merits of the

various systems--Discussion of the Holly system, its merits

and defects--The reservoir system, with pumps, cost, and

advantages--Results obtained and economy of use of various systems in

different towns, with names and duty realized--Facts and figures to

enable town committees to judge for themselves as to the system

best suited for their wants--The best sources of water supply--

Water-bearing rocks--Artesian wells, their feasibility, excellence,

and cost of boring--Importance of pure water--How surface water is

rendered impure--Cost of water pipes, from 2 to 12 inches diameter,

for towns, including laying, all labor, materials, gates, joints, etc.

Estimates of income, water-rates for supply of 1,000 buildings.

Contained in SUPPLEMENT 27. Price 10 cents.

* * * * *

ICE BOATS--THEIR CONSTRUCTION and management. With working drawings,

details, and directions in full. Four engravings, showing mode of

construction. Views of the two fastest ice-sailing boats used on the

Hudson river in winter. By H. A. Horsfall, M.E. SUPPLEMENT 1. The same

number also contains the rules and regulations for the formation of

ice-boat clubs, the sailing and management of ice-boats, etc. Price 10

cents.

* * * * *

ICE AND ICE-HOUSES--HOW TO MAKE ice ponds; amount of ice required,

etc., and full directions for building ice-house, with illustrated

plan. SUPPLEMENT 55. Price 10 cents.

* * * * *

[Illustration: Patents]

CAVEATS, COPYRIGHTS, TRADE MARKS, ETC.

Messrs. Munn & Co., in connection with the publication of the

SCIENTIFIC AMERICAN, continue to examine Improvements, and to act as

Solicitors of Patents for Inventors.

In this line of business they have had OVER THIRTY YEARS' EXPERIENCE,

and now have _unequaled facilities_ for the preparation of Patent

Drawings, Specifications, and the Prosecution of Applications for

Patents in the United States. Canada, and Foreign Countries. Messrs.

Munn & Co. also attend to the preparation of Caveats, Trade Mark

Regulations, Copyrights for Books, Labels, Reissues, Assignments, and

Reports on Infringements of Patents. All business intrusted to them is

done with special care and promptness, on very moderate terms.

Scientific American, Vol. XXXIX.—No. 24. [New Series.], December 14, 1878 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures · 第 8 / 10 段