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Moving a Bridge by Rail

The Legal Status of Railroad Employes

Position of the Planets in April

An Independent Lathe Chuck

An Improved Car Axle Box

An Improved Camera Lucida

A Recent Improvement in Buckles

An Improved Harrow

The Oldest Musical Instruments

A Tellurian for the Home and School

Improved Rubber Toys

An Electric Heater for Cars

The Telautograph

Factory Driving by Electricity

Dust and Sand Figures on Membranes

By T. O'conor Sloane

The New Steel Steamer El Rio

To Inventors - April 1, 1893


  • Letters

    Correspondence - April 1, 1893

  • Recommended

    New Books and Publications - April 1, 1893

  • Departments

    Business and Personal - April 1, 1893

  • Recently Patented Inventions - April 1, 1893

  • Index of Inventions - April 1, 1893

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April 01, 1893

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