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Features

Burning of a Supposed Fireproof Building

Potters' Machinery-- an Opening for Inventors

Conscientious Workers

The Photophone

The Social Science Association

Improved Blacking Brush

New Extension Stovepipe

American Industries.--No. 56

Book Making--The American Book Exchange.

Engineering Inventions

Hints to the Young Steam Fitter

Exhaust Steam and its Value.

By WM. J. Baldwin

Mechanical Inventions

Improvement in Railway Switches and Crossings

Miscellaneous Inventions

The Granny Whale

By A. W. Roberts

An Extra-Sensitive Thermometer

Improvement in Water Gauges

Agricultural Inventions

Communications Received

Departments

  • Departments

    New Inventions

  • Business and Personal

  • Index of Inventions

  • Notes and Queries

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October 02, 1880

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