SA Supplements Vol 60 Issue 1544supp

SA Supplements

Volume 60, Issue 1544supp

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Features

Science Notes - August 5, 1905

Comparative Tests of Steam and Electric Locomotives

Proper Methods in Conducting Painting Tests

Electrotyping

F. Mollwo Perkin

The Cerebotani Autotelegraph

The Belgian Correspondent Of Scientific American

The Zoelly Steam Turbine

Frank C. Perkins

Precious Metals Recovered by Cyanide Processes

Charles E. Munroe

English Motor Omnibuses for City and Country Use

By our English Correspondent

Test of a Steam Turbine after Two Years Service

Improving Gas Engine Efficiency

Consumption of Horseflesh in Germany

Ether Drift

Curious Habits of Wasps

The Construction of a Silvered Glass Telescope, Fifteen and a Half inches in Aperture, and its use in Celestial Photography.—II

Electrical Notes

Trade Notes and Recipes