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The Rondout Bridge

The Total Solar Eclipse of the 6th of May

D'arrest's Comet

How Screws are Threaded

Chemical Vaporizer and Deodorizer

Improved Hop Press

Radial Tubular Boiler

By L. Hervier

A Beaver Colony

Agricultural Inventions - July 7, 1883

Miscellaneous Inventions - July 7, 1883

Mechanical Inventions - July 7, 1883

Engineering Inventions - July 7, 1883

Communications Received - July 7, 1883

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    Correspondence - July 7, 1883

  • Recent Inventions - July 7, 1883

  • Business and Personal - July 7, 1883

  • Notes and Queries - July 7, 1883

  • New Books and Publications - July 7, 1883

  • Index of Inventions - July 7, 1883

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July 07, 1883

See the World from a Different Perspective

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