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The Mycenaean Palace at Nippur

By Clarence S. Fisher

The Search for Platinum

Impulse and Reaction Turbines

Steam and Street Railroads in the Philippines

Agricultural Products of the Philippines

The Julliot Anemometric Balloon

Philippine Manufactures

Making Oiled Roads

By A. S. Atkinson

Pattern Making

By R. Watson

The Piesmic Barometer

A Gigantic Irrigation Project

Pumping the Comstock Lode Mines

By Carl George P. De Laval

The Effect of Liquid Air Temperatures on the Mechanical and other Properties of Iron and its Alloys

By James Dewar and Robert Asholt Hadfield

Distribution of the Time by Wireless Telegraphy

Improved Coasting Sleds

Recent Experiments on the Nature of Magnetism

By Emile Guarini

Contemporary Electrical Science


Electrical Notes

Trade Notes and Recipes

Engineering Notes

Selected Formulæ


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    April 15, 1905

    20% Sitewide for President's Day