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Improved Current Water Wheel

The Scientific Treatment of Criminals

Huxley's Theory of Man

Bulls on the Track

Alcohol, Food, and Force

Furnace for the Large Hammer at Woolwich England

The Weak Points in Iron Castings

American Railroad Stations

Geological Records of Life

Practical Mechanism - October 10, 1874

By Joshua Rose

Improved Pipe and Bolt Threader, Cutter, and Nut Tapping Machine

Jones' Heel Trimming Machine

New Yacht for the Khedive of Egypt

Dentistry in the United States

Decisions of the Courts - October 10, 1874

The Fair of the American Institute

Medical Notes - October 10, 1874

Recent American and Foreign Patents - October 10, 1874

Answers to Correspondents - October 10, 1874

Communications Received - October 10, 1874

Canadian Patents - October 10, 1874


  • Letters

    Correspondence - October 10, 1874

  • Departments

    Business and Personal - October 10, 1874

  • Index of Inventions - October 10, 1874

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