SA Supplements Vol 74 Issue 1908supp

SA Supplements

Volume 74, Issue 1908supp

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Features

Control and Operation of High Voltage Transmission Systems

Charles P. Steinmetz

Elements of Theoretical Aeromechanics

Part II Continued—Aerodynamics

A. F. Zahm

Etruscan—A Magyar Idiom

The Disputed Origin of Italy's Pre-Roman Population

Alfred Emerson

Electricity as a Factor in Civilization

Its Influence in Industry, Commerce, and in the Home

J. Siegel

A Machine for Sawing Granite

A Most Useful Adjunct in the New England Quarries

Frank C. Perkins

The Irrationality of War

Science as an Element in the Developing of International Good Will and Understanding

Oliver Lodge

The Psychology of Efficiency in Work

H. L. Hollingworth

Incubation Method of Ripening Dates

Assisting Nature by Laboratory Methods

Silas P. Markham

High Vacua: Their Production and Properties

The Radiometer as a Delicate Pressure Gage

W. R. Whitney

Trade Notes and Formulas

Science Notes

The Senate Bill for Safe Ships, The Royal Society and more