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Features

Deep Mines in Nevada

The Future of the Electric Railway

The American Chemical Society

Food Adulteration

Oysters at Quinnipiac

Binocular Vision in Telescopes

By Charles B. Boyle

New Electric Lamp

New Style of Moulding

The Steam Engine Indicator

A New Motor

Miscellaneous Inventions

A Useful Steam Boiler Appliance

New Ceiling and Wall

Improved Mill Pick

Engineering Inventions

The Crinoids of Crawfordsville

By H. C. Hovey

American Industries.--No. 45

Porcelain Chimney-Piece

Mechanical Inventions

Wheat Production of the World

Communications Received

Departments

  • Departments

    Correspondence

  • New Inventions

  • Business and Personal

  • Notes and Queries

  • New Books and Publications

  • Index of Inventions

  • Patents

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June 12, 1880

Think Outside the Gift Box