Scientific American Supplement, No. 717, September 28, 1889

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NEW YORK, SEPTEMBER 28, 1889. Scientific American Supplement.

THE NAVAL FORGES AND STEEL WORKS AT ST. CHAMOND.

FORGING A PROPELLER SHAFT.

CRANK AND SCREW SHAFTS OF THE MERCANTILE MARINE. 1 By G.- W. Manuel.

EXPERIMENTAL AID IN THE DESIGN OF HIGH SPEED STEAMSHIPS. By D.- P.

THE SHIP IN THE NEW FRENCH BALLET OF THE "TEMPEST."

THE GIRARD HYDRAULIC RAILWAY.

QUARTZ FIBERS. 1

NATURE, COMPOSITION, AND TREATMENT OF ANIMAL AND VEGETABLE FABRICS.

THE PRODUCTION OF AMMONIA FROM COAL. 1 By Ludwig Mond.

ALKALI MANUFACTORIES.

THE FUELS OF THE FUTURE.

PORTABLE ELECTRIC LIGHT.

ELECTRIC MOTOR FOR ALTERNATING CURRENTS.

THE ELECTRIC AGE. By Charles Carleton Coffin.

EARLY ELECTRIC LIGHTING.

THE MODERN THEORY OF LIGHT. 1 By Prof. Oliver Lodge .

ON PURIFICATION OF AIR BY OZONE WITH AN ACCOUNT OF A NEW METHOD. 1 By Dr. B.- W. Richardson .

HEAT IN MAN.

PRESERVATION OF SPIDERS FOR THE CABINET.

DRIED WINE GRAPES.

WALNUT OIL. By Thomas T.- P. Bruce Warren.

THE PYRO DEVELOPER WITH METABISULPHITE OF POTASH. By Dr. J.- M. Eder.

A New Catalogue of Valuable Papers

THE SCIENTIFIC AMERICAN Architects and Builders Edition. USD2.50 a Year. - Single Copies, 25 cts.

Building Plans and Specifications.

THE Scientific American Supplement. PUBLISHED WEEKLY.

Useful Engineering Books

PATENTS.

SCIENTIFIC AMERICAN SUPPLEMENT NO. 717


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