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Patent Reform

Hamilton E. Towle

The Cotton Plant and Its Fiber

Improvement in the Manufacture of Tweezers

Improved Invalid Bed

The New Scylla and Charybdis

By H. C. Hovey

American Industries.—No. 78

Steam Boiler Notes

Improved Window Chair

New Diving Apparatus

Improved Governor

Breakfast Set of Sevres Porcelain

Botanical Notes

Miscellaneous Inventions

The Gastroscope—an Electric Light for the Human Stomach

Agricultural Inventions


  • Departments

    Recent Inventions

  • New Inventions

  • Business and Personal

  • Index of Inventions

  • Notes and Queries

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October 29, 1881