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The Manufacture of Electrical Conductors

A Brave Life Gone Out

Old Building Material

The Relations of Patent Experts to the Courts

The Telephone Interference Case Decided

Completion of the Great Lyman-Haskell Gun

The Caterpillar and Its Enemy

Picker Fires

Sketching for Mechanics

Parallels for Balancing Pulleys, Etc.

The Telescope at the Trocadero Observatory

Improved Reversing Rail Mill Engines

Natural History Notes

The Turbot, Goldbutt, and Sole

Agricultural Inventions

Mechanical Inventions

Miscellaneous Inventions

Engineering Inventions

Communications Received


  • Departments

    Recent Inventions

  • Notes and Queries

  • Index of Inventions

  • Business and Personal

  • New Books and Publications

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August 04, 1883

Science for the Modern World