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Features

American Precious Stones

Stoppage of the Cleveland Water Tunnel by Ice Spicules

Night Sky--January and February - 1886

By Richard A. Proctor

Expanding Pulley

Spring Trap

Honey Extractor

Strainer and Cut-Off

A Simple Traveling Top

Machine for Carding Buttons by Electricity

Improvement in Stone and Marble Sawing Machines

Photographic Notes - February 6, 1886

Saucepan and Cover

Improved Fish Hook

The Big Bend Tunnel in Butte County, California

Condensing Engine, Antwerp Exhibition

Design for an Observatory Tower

A New Mass of Meteoric Iron

Agricultural Inventions - February 6, 1886

Engineering Inventions - February 6, 1886

Miscellaneous Inventions - February 6, 1886

Departments

  • Letters

    Correspondence - February 6, 1886

  • Recommended

    New Books and Publications - February 6, 1886

  • Departments

    Notes and Queries - February 6, 1886

  • Business and Personal - February 6, 1886

  • Index of Inventions - February 6, 1886

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