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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

Miscellaneous Inventions

Improvement in Railway Switches and Crossings

The Granny Whale

By A. W. Roberts

An Extra-Sensitive Thermometer

Improvement in Water Gauges

Agricultural Inventions

Communications Received


  • Departments

    New Inventions

  • Index of Inventions

  • Business and Personal

  • Notes and Queries

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