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The Slaughter of Railway Men

Employment for the Idle

The Binary Injector

Raffard's Transmission Dynamometer

John Roach, of New York

His Ship-Building and His Views

A Simple Form of Storage or Secondary Battery

Automatic Boiler Feeder

Press for the Manufacture of Oils

Electricity as a Motor for Aerial Navigation

Mechanical Inventions - July 8, 1882

Miscellaneous Inventions - July 8, 1882


  • Departments

    Recent Inventions - July 8, 1882

  • Business and Personal - July 8, 1882

  • Notes and Queries - July 8, 1882

  • Index of Inventions - July 8, 1882

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