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Armored Trains

The Electric Fish of the Nile

Congress of Photography in 1900

The New Century

Unearthing Fossil Remains

The Geological Society of America

Powerful Electric Pump at Austin, Texas

By Chester Haile

Oil Engine with Direct-Connected Generator

An Ingenious Tool-Grinding Machine

A Simple Trousers Clasp

An Automatic Lubricator for Locomotives and Marine Engines

Homemade Windmills in Nebraska

The Bonner Rail Wagon

A 70,000 Horse Power Central Station

The San Jacinto Earthquake

By Chas. Fred. Holder

To Inventors - January 13, 1900


  • Departments

    Correspondence - January 13, 1900

  • Recently Patented Inventions - January 13, 1900

  • Notes and Queries - January 13, 1900

  • Business and Personal - January 13, 1900

  • Index of Inventions - January 13, 1900

  • Patents - January 13, 1900

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