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Forging a Propeller Shaft

Crank and Screw Shafts of the Mercantile Marine

By G. W. Manuel

The Naval Forges and Steel Works at St. Chamond

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

Nature, Composition, and Treatment of Animal and Vegetable Fabrics

The Production of Ammonia from Coal

By Ludwig Mond

The Fuels of the Future

Alkali Manufactories

The Electric Age

By Charles Carleton Coffin

Early Electric Lighting

Electric Motor for Alternating Currents

Portable Electric Light

The Modern Theory of Light

By Oliver Lodge

On Purification of Air by Ozone—with an Account of a New Method

By B. W. Richardson

Heat in Man

Dried Wine Grapes

Preservation of Spiders for the Cabinet

Building Plans and Specifications

The Pyro Developer with Metabisulphite of Potash

By J. M. Eder

Useful Engineering Books

Walnut Oil

By Thomas T. P. Bruce Warren


  • Departments

    Patents- September 28, 1893

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