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The Brunnen-Morschach Alpine Railway

Our Berlin Correspondent

Some Practical Experiences with Steam Turbines

By C. E. Stanton

Radium: Its Known Medical Value

Energy Expended on Car-Wheel Acceleration

Reservoir, Fountain, and Stylographic Pens.—VIII

Fountain Pens

By James P. Maginis

Cement Materials and Industry of the United States

By Edwin C. Eckel

Electricity in the Home

By Harold Stannard

Simple Tests for the Detection of Food Adulterants

Determination of Artificial Colors

Surveying on the Farm

By A. S. Kenyon

Biting Apparatus of the Mosquito


By J. L. Mothershead

Electrical Notes

Heat-Resisting Varnishes

Science Notes

Engineering Notes


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