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Three Phase Motor at Bellegarde

The use of Turbines with a Horizontal Shaft for Running Dynamos

The Accomplished Utilization of Niagara

Express Compound Locomotive with Auxiliary Gear

Oxygen, Fresh Air and Health

Miscellaneous Notes

Engineering Notes

Selected Formulæ

Punching and Shearing Machines

The Mungsten Bridge

Babbitt Metals

By C. Vickers

British versus American Manufactured Productions

The Bakerian Lecture—On the Mechanical Equivalent of Heat

The International Geological Congress in Russia

The Standard Varieties of Chickens

By John Michels

The Theater of Insects

Color in Animals—Its causes and Uses

The Cultivation of Chicle, for Chewing Gum, in Mexico

Confetti and Serpentines


The Population of Russia


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    July 10, 1897

    Of Shamrocks and Science

    Happy St. Patrick’s Day