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Application of Dynamo-Electric Machines to Telegraphy

The Future of Electricity

The World's Fair of 1883

Electric Machines in Telegraphy

The Past Year's Work in the Patent Office

The Tay Bridge Disaster

Two More Patent Bills

Heating Tires by Gas Jets

A New Ventilator

Miscellaneous Inventions - January 31, 1880

The Manufacture of Soda

Improved Steam Hammer

The Peerless Portable Steam Engine

Mechanical Inventions - January 31, 1880

Agricultural Inventions - January 31, 1880

New System of Digging and Curbing Wells

Light Locomotives

The Hyena Dog

A Labor-Saving Tool


  • Departments

    New Inventions - January 31, 1880

  • Index of Inventions - January 31, 1880

  • Notes and Queries - January 31, 1880

  • Business and Personal - January 31, 1880

  • New Books and Publications - January 31, 1880

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