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Features

Crank and Screw Shafts of the Mercantile Marine

By G. W. Manuel

The Naval Forges and Steel Works at St. Chamond

Forging a Propeller Shaft

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

Early Electric Lighting

The Electric Age

By Charles Carleton Coffin

Portable Electric Light

Electric Motor for Alternating Currents

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

Dried Wine Grapes

Preservation of Spiders for the Cabinet

Heat in Man

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

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September 28, 1889

Think Outside the Gift Box