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Control and Operation of High Voltage Transmission Systems

By Charles P. Steinmetz

Elements of Theoretical Aeromechanics

Part II Continued—Aerodynamics

By A. F. Zahm

Etruscan—A Magyar Idiom

The Disputed Origin of Italy's Pre-Roman Population

By Alfred Emerson

Electricity as a Factor in Civilization

Its Influence in Industry, Commerce, and in the Home

By J. Siegel

A Machine for Sawing Granite

A Most Useful Adjunct in the New England Quarries

By Frank C. Perkins

The Irrationality of War

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

By Oliver Lodge

The Psychology of Efficiency in Work

By H. L. Hollingworth

Incubation Method of Ripening Dates

Assisting Nature by Laboratory Methods

By Silas P. Markham

High Vacua: Their Production and Properties

The Radiometer as a Delicate Pressure Gage

By W. R. Whitney

Trade Notes and Formulas

Science Notes

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


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