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SA Supplements Vol 35 Issue 902supp

SA Supplements

Volume 35, Issue 902supp

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Features

Vanloo's Portrait of Christopher Columbus

The Photo-Mechanical Processes

S. R. Koehler

Burned Clay

L. J. Howard

Improved Oil Cloth Printing Machine

Temperature Regulator for Incubators

Satin-Calf

The Huanchaca Mine, Bolivia, South America

Robert Peele

An Ocean Waif

The New German Field Artillery

The Vulcanizing Process for Preserving and Strengthening Poles, Cross Arms, Ties, Etc.

Harry C. Myers

The Tesla Lecture in St. Louis

Japanese Magic Mirrors

On the Treatment of Diabetes

Siemens Telephone Siren

Electric Oscillations

The Lunar Surface

A Patent Toy

The Sandgate Landslip

The Chatham Islands and an Antarctic Continent

Recent Contributions to the Chemistry and Bacteriology of the Fermentation Industries

Percy F. Frankland

Horticultural Novelties of the Season

Patents!

Blanket with Weights

Chemistry of the Stomach

Useful Engineering Books