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Features

A Floating dock for Trinidad Wonderfully Equipped

By Harold J. Shepstone

The Development of Japanese Shipbuilding

The Development of armored War Vessels.—I

Armor Plating in the United States

By J. H. Morrison

History of Map making and Topography.—II

With illustrations of old charts

By C. W. Larned

Commerce of the United States by Principal Ports and Sections, 1907

Some Recent Statistics

Possibilities of Hydraulic Mining

German Automobile Fire Apparatus

The Paris Correspondent of the Scientific American

Camille Flammarion's Latest Views on Martian Signaling

The Ant Pest in New orleans

The Electrolytic Theory of the Corrosion of Iron.—I

The Real Cause of Iron Rust

By Allerton S. Cushman

Incandescent Illuminants

Progress in Mantles

By James Swinburne

The Fuel-Testing Plant of the United States Geological Survey at the Jamestown Exposition

By C. T. Wilkinson

New Developments in Arc Lamps and High-Efficiency Electrodes

A Comparison Between Metallic And Carbon Arcs

By George M. Little

The Gradual advance of Science

The Rise of Chemistry And Physics

By Charles Baskerville

Mexican Bromelia Fiber

The Earth's Magnetic Axis

Engineering Notes

Science Notes

Trade Notes and formulæ

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    August 31, 1907

    Think Outside the Gift Box