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The President's Message

The Underground Trolley and the Third Rail in Electric Traction

Armored Torpedo Boats

Improved Ball Bearing for Bicycle Hubs

The Perfected Duryea Carriage

The American Museum of Natural HistoryIts Collections and WorkThe Mounting of the Elephant "Tip"

Logging in the Sierra Nevada Mountains, California

The Eiffel Tandem

A Novel Camera


  • Letters

    Correspondence - December 19, 1896

  • Departments

    Recently Patented Inventions - December 19, 1896

  • Index of Inventions - December 19, 1896

  • Notes and Queries - December 19, 1896

  • Business and Personal - December 19, 1896

  • Patents! - December 19, 1896

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