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Features

Opening of Great Industrial Exhibitions, Boston

Storage of Heat

Dr. Heath's Discoveries in South America

Steam-Boiler Notes

Reviving Old Rejected Cases

Promotions in the Patent Office

Instantaneous Photography

Mechanical Inventions

Electric Flying Machine

A Deadly Fly--New Case of Myiasis Observed in the Argentine Republic

Self-Registering Target

De Combette's Solar Watch

Removal of Flood Rock, New York City

An Improved Battery

Spinning Attachment for Sewing Machines

Improvement in Telephones

Sevres Urn

Departments

  • Departments

    New Inventions

  • Recent Inventions

  • Business and Personal

  • Notes and Queries

  • Index of Inventions

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September 24, 1881

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