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Remarkable Boat Speed-32 1/2 Miles Per Hour

The Imperfections of the Overhead Trolley System

To Set Fire to a Pile of Snow

A Mirror Attachment for Bicycles

New Pier for the American Line

Hints on Coloring Lantern Slides

By M. Hopkins

The Tachocycle

The Waddell-Entz Storage Battery Car Traction Plant of the Second Avenue Railroad Company, New York

Handling Steel Billets by Electrical Power

Trick Photography

Bicycle Boat

To Inventors - March 24, 1894


  • Letters

    Correspondence - March 24, 1894

  • Recommended

    New Books and Publications - March 24, 1894

  • Departments

    Recently Patented Inventions - March 24, 1894

  • Notes and Queries - March 24, 1894

  • Index of Inventions - March 24, 1894

  • Business and Personal - March 24, 1894

  • Patents - March 24, 1894

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Dwindling Supply. Increasing Demand.

Dwindling Supply. Increasing Demand.

Solving the Water Crisis