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Scientific American Magazine Vol 49 Issue 1

Scientific American Magazine

Volume 49, Issue 1

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Features

The Rondout Bridge

The Total Solar Eclipse of the 6th of May

How Screws are Threaded

D'arrest's Comet

Chemical Vaporizer and Deodorizer

Improved Hop Press

Radial Tubular Boiler

L. Hervier

A Beaver Colony

Agricultural Inventions - July 7, 1883

Engineering Inventions - July 7, 1883

Miscellaneous Inventions - July 7, 1883

Mechanical Inventions - July 7, 1883

Communications Received - July 7, 1883

Departments

Recent Inventions - July 7, 1883

Correspondence - July 7, 1883

Notes and Queries - July 7, 1883

New Books and Publications - July 7, 1883

Business and Personal - July 7, 1883

Index of Inventions - July 7, 1883