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Features

The New Ocean Steamers St. Louis and St. Paul

The Brooklyn Meeting of the American Association

The Waste of Coal Mines as a Source of Power

New Tool Sharpener

An Improved Check Rein Support

Manufacture of Whisk Brooms

Automatic Coupler Tests

Three Specimens of Starling

The Electric Welding of Rail Joints

To Inventors - August 11, 1894

Departments

  • Departments

    Index of Inventions - August 11, 1894

  • Notes and Queries - August 11, 1894

  • Business and Personal - August 11, 1894

  • Recently Patented Inventions - August 11, 1894

  • Patents - August 11, 1894

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Introducing Scientific American Health & Medicine

Introducing Scientific American Health & Medicine