SA Supplements Vol 63 Issue 1643supp

SA Supplements

Volume 63, Issue 1643supp

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Features

A Railroad University. Altoona and its Methods

By Frederic Blount Warren, in the Engineering Magazine

Artificial Fertilizers: Their Nature and Function.—IV

A. D. Hall

Experiments for Detecting Food Adulterants

Gilbert H. Trafton

Galera, a Lost City of the Campagna

Practical Testing of Rubber

False Back Repetition Casting

Wireless Signaling System for Railroads

World's Marconi Stations

The Utilization of Waste India Rubber

Walter F. Reid

Bacteria in Cheesemaking

Herbert W. Conn

The Dry Distillation of Beech Wood

Greek Eyesight

Charles W. Super

The Amateur's Foundry

Walter J. May

Experimental Researches on the Origin of Species in the Vegetable Kingdom

F. P*amp*eacute;choutre

Stereoscopic Pictures of the Heavens

A Variable Star

Max Wolf

Resources of Mexico

N. H. Darton

Canal Rays or Rays of Positive Electricity

The use of the Gyroscope in the Balancing and Steering of Aeroplanes

Robert H. Goddard

Electrical Notes

Engineering Notes

The Scientific American Supplement.Index for Vol.63

Science Notes

Trade Notes and Formulæ