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The Hillside Line of the North Hudson County Railway Company

The Utilization of the Waste Energy of the World

A Low Priced Stem Winder

House of Senor Saracibar, Architect, Salamanca, Spain

A Variable Driving Gear for Bicycles

Underground Conductors for Electric Street Railways

Whitaker's New Weight Motor

The Midwinter Fair

Improved High Pressure Air Compressors

Carli's Electric Carriage

Eolian Harps


  • Letters

    Correspondence - April 21, 1894

  • Recommended

    New Books and Publications - April 21, 1894

  • Departments

    Business and Personal - April 21, 1894

  • Notes and Queries - April 21, 1894

  • Recently Patented Inventions - April 21, 1894

  • Index of Inventions - April 21, 1894

  • Patents - April 21, 1894

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