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International Exchange of Food Fish

Temporary Deafness

An Unwise Physician

Groove Track Pavement

The Electric Lights on Broadway, New York

The Expansion of Steam

By R. H. Thurston

Brush Holder

Engineering Inventions - January 8, 1881

Apparatus for Demonstrating Mechanical Principles

Tidal Outlets for Sewers

Agricultural Inventions - January 8, 1881

Jenkins' Packing and Valves

The Albion Coal Mines

By H. C. Hovey

American Industries--No. 64

Improved Hand and Bench Vise

Improved Awning and Ventilator

The Sword Bill Humming Bird*

A Strange Parasitic Fish

By C. F. Holder

Miscellaneous Inventions - January 8, 1881


  • Departments

    Correspondence - January 8, 1881

  • New Inventions - January 8, 1881

  • Business and Personal - January 8, 1881

  • Index of Inventions - January 8, 1881

  • Notes and Queries - January 8, 1881

  • New Books and Publications - January 8, 1881

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Scientific American Unlimited

Scientific American Unlimited