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An Interesting Producer-Gas Plant

By Emile Guarini

Motor Boats in Warfare

Incandescent Lighting by means of Acetylene and the Carburization of Acetylene

Experimental Electrochemistry

Assistant Professor of Chemistry in the George Washington University, Washington, D.C.

By N. Monroe Hopkins

Breeding and Heredity

By William Bateson

Correspondence

The World's Supply of Nitrates

On the Genesis of Temporary Radioactivity

A New Type of Rotary Pump

By Emile Guarini

A Twelve-Cylinder 150 B.H.P. Racing Marine Gasoline Motor

By the English Correspondent of the Scientific American

Pollak-Virag High-Speed Telegraph

The Light of the Stars

By E. C. Pickering

Lumbering in Forest Reserves

On the Modern Reflecting Telescope, and the Making and Testing of Optical Mirrors

By G.W. Ritchey

Contemporary Electrical Science

Electrical Notes

Engineering Notes

Trade Notes and Recipes

Departments

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    January 28, 1905

    Think Outside the Gift Box