I. ENGINEERING AND MECHANICS.--Wrought Iron Bridge Designs:
by WILLIAM O. DOUGLAS. A method of construction whereby the
safety of the structure is not dependent on any single member.
2 engravings.--Steel Wire Hawsers.
Health and Sewage of Towns; by ALFRED CARPENTER, M.D., C.S.S.
A practical experience of the Dry system.
Carlisle Bridge, Dublin, 1 engraving--Extinction of Fires.--Important
Dutch Enterprise.
Foot Bridge across the River Ness at Inverness; by C. R. MANNERS,
Engineer. 13 illustrations.
Radiating Steam Hercules for the St. Heliers' Harbor Works, Jersey.
2 figures.--New Meat Trucks.--New Horseshoe.--Scott's Wheel-Cutting
and Moulding Machine. 3 figures.
Compound Engine with Rope Driving Gear; by BENJAMIN GOODFELLOW,
Engineer. 3 engravings.--Differential Screw Pipe Joint.
6 figures.
Pipes for Gas and Other Purposes (continued from SUPPLEMENT No.
77). Main-laying continued, with 4 figures.--Fittings of Gas and
Water Pipes; Includes the average "life" of pipes; an account of
various soils, and amount of corrosion in each; Professor Barff's
new iron-preserving process, and other processes in practical use
for preserving iron pipe; proving pipe; the utility of various
metals, and directions for pipe-laying: various fittings,
illustrated in 16 figures.
II. TECHNOLOGY.--The Sizing of Cotton Goods; a paper read before the
Society of Arts, by W. THOMPSON, F.R.S. A very full and clear
description, embracing: An account of the process of weaving,
explaining the object and utility of size. A table of sizing
mixtures in which are enumerated all the substances used, (1) for
giving adhesive properties to the size, (2) to give weight and
body to the yarn, (3) for softening the size or yarn, and (4) for
preserving the size from mildew and decomposition.
Tests for these substances and directions for mixing, so as to
obtain the results required. Proportions of sizing. Use of flour
in size. Weighting materials, China clay and its substitutes.
"Softenings" and oils for softening. East winds. Glycerin, grape
sugar, mildew preventives, and tape sizing. "Slashing," packing,
mildew, damaged goods, etc.--Notes on Garment Dyeing. Giving
preparation of garments with cotton warps, green on garments with
cotton warps, brown on the same, etc.
III. LIGHT, HEAT, ELECTRICITY, ETC.--On the Minute Measurements
of Modern Science. By ALFRED M. MAYER. Article IX. The dividing
engine and methods of making accurate linear scales.
8 illustrations.
IV. NATURAL HISTORY, ETC.--Catastrophism, or the Evolution of
Environment. An address by Clarence King before the Sheffield
Scientific School of Yale College, New Haven, Conn.
V. AGRICULTURE, HORTICULTURE.--Pencils of Silver Nitrate.--The Black
Poplar.--Tree Leaves as a Fertilizer.--Improving Pastures.--Lawns
and Hay.--Thoroughbred Pigs.--Shall Country Houses have Cellars?
VI. MISCELLANEOUS.--The New German Patent Law: being the Full
Text of the New Law for Patents, passed July 1, 1877, covering all
the States of the German Empire.
Terms.--SCIENTIFIC AMERICAN SUPPLEMENT, one year, postpaid, _five
dollars_. One copy of SCIENTIFIC AMERICAN and one copy of SCIENTIFIC
AMERICAN SUPPLEMENT, one year, postpaid, _seven dollars_. CLUBS.--One
extra copy of the SUPPLEMENT will be supplied gratis for every club of
five SUPPLEMENT subscribers at $5.00 each.
All the back numbers of the SUPPLEMENT, from the commencement, January
1, 1876, can be had. Price 10 cents each.
NOW READY.--The SCIENTIFIC AMERICAN SUPPLEMENT for 1876, Complete
in two large volumes. Over 800 quarto pages; over 2,000 engravings.
Embracing History of the Centennial Exhibition. New Illustrated.
Instructions in Mechanical Drawing. Many valuable papers, etc. Price
five dollars for the two volumes, stitched in paper; or six dollars
and fifty cents, handsomely bound in stiff covers.