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SA Supplements Vol 61 Issue 1571supp

SA Supplements

Volume 61, Issue 1571supp

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Features

Comparison between Torpedo Boat and Merchant Marine Engines

Alfred Gradenwitz

Liquid Fuel for Naval and Marine Uses

George Melville

Armored Concrete.—V

Henry J. Jones

The de Forest Syntonic System of Wireless Telegraphy

A. Frederick Collins

Contemporary Electrical Science

The Aladdin Cooker

Edward Atkinson

A Gasoline-Motor-Propelled Roller

By the English Correspondent of Scientific American

The Influence of Light on Plant Development

Transportation Routes and Systems of the World

A Proposed Solution of the Problem of Flight

Franz Pabisch

Insects as Carriers of Disease

Oyster Culture in Japan

New uses of Peat and Forest Products in Germany

William Mayner

The Preservation of Maize during Transport by the Clayton Process

Genesis of the Diamond

George F. Kunz

Engineering Notes

Electrical Notes

Science Notes

Trade Notes and Formulæ

Departments

Correspondence