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Prof. S. P. Langley's Flying Machine

The Hudson River Bridge

A Two Foot Gauge Locomotive

A Chimney Cowl or Ventilator

A Pocket Lamp and Cigar Lighter

A Suspension Bridge Breaks Down

An Improved Steam Boiler

The Society of the New York Hospital and its New House of Relief

The Manhattan Life Building

An Electric Burglar Alarm for Safes

A Chinese Mode of Punishment

To Inventors - December 22, 1894


  • Letters

    Correspondence - December 22, 1894

  • Reviews

    New Books and Publications - December 22, 1894

  • Departments

    Recently Patented Inventions - December 22, 1894

  • Index of Inventions - December 22, 1894

  • Notes and Queries - December 22, 1894

  • Business and Personal - December 22, 1894

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