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Practical Aspects of Printinǵ Teleǵraphy—III

An Inventor on the Difficulties to be Encountered and the Way to Overcome them

By Donald Murray

Aeroplane Stability

By Arthur Holly Compton

The United States Reclamation Service

Special Articles by the Engineers of the Projects

The Chemistry of Mummification

Development during Exposure

Measuring the Strength of a Magnet

Substitution of Lumber

How Inferior Material is Passed off for Better

Rolling Stock of Japanese Railways

The Palæontologist's View of Evolution

The Spectrohelioǵraph

The Most Important Instrument in the Study of Solar Physics

By Frank C. Dennett

The Lost Eros of Praxiteles

Antique Masterpieces Recovered from the Ocean Bed

Modern Methods of Anæsthesia in Surgery

The Plague in Manchuria

Radium in Bioloǵy and Medicine

Its Effect on the Normal and the Diseased Organism

By E. S. London

Turbine Locomotive

Proǵress in Unwatering the Maine Cofferdam

By Albert Diamant


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