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SA Supplements Vol 59 Issue 1516supp

SA Supplements

Volume 59, Issue 1516supp

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Features

Science Notes - January 21, 1905

The 1904 Paris Automobile Show.—II

By the Paris Correspondent of Scientific American Pivot system

Resistance of Railway Trains

Hard-Solder for Enameling Purposes

The Orling-Armstrong Electro-Capillary Recorder

By the English Correspondent of the Scientific American

Mines and Subterranean Torpedoes at Port Arthur

Contemporary Electrical Science

Some Refinements of Mechanical Science

Ambrose Swasey

Frozen Mammoth in Siberia

O. F. Herz

Breeding and Heredity

William Bateson

Composition of Gases from Mineral Springs, Helium, Etc., and Radioactivity

Tungsten: Its use and Value

A Porto Rico Forest Reserve

George Washington as an Engineer

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

G. W. Ritchey

Ice-Breakers and their Services

Arthur Gulston

Trade Notes and Recipes

Engineering Notes