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Features

California's Big Trees

Wanted--A Marine Engine Governor

The Sea Route as a Competitor of the Siberian Railway

Science Notes

Home-Made Apparatus from Home Materials

Actino-Electric Phenomena Produced by Violet Rays

By Bichat and Swingedauw

The Woods Electric Vehicles

Electric Mining Locomotives

By Frank C. Perkins

The St. Lawrence Power Company's Plant at Massena, N. Y.

A Screw-Propeller of Novel Form

The New Battleships

Traveling Stairways for the Elevated Railways, New York

A Home-Made Steam Engine

By George M. Hopkins

The Automobile Show at Madison Square Garden, New York

To Inventors

Departments

  • Departments

    Correspondence - November 17, 1900

  • Recently Patented Inventions - November 17, 1900

  • Index of Inventions - November 17, 1900

  • Business and Personal - November 17, 1900

  • Notes and Queries - November 17, 1900

  • Patents - November 17, 1900

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November 17, 1900

Beyond XX and XY

Biology. Identity. Equality.