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Features

Casting a Huge Cannon

Congress and the Patent Office

Driving by Friction

Variations of Speed

The Greely Expedition

Labels and Trademarks

Compound and Self-Acting Plug Valve for Wash Basins

Improved Oil Cup

Horse Power

Bending Machine

Metallurgic Furnace

Improved Elevator

Well Bucket

Screw Tap

Conical Press for Treating Beet Pulp

A Practical Method of Estimating Distances

Automatic Wave Lubricating Life Buoy

Agricultural Inventions - July 26, 1884

Miscellaneous Inventions - July 26, 1884

Mechanical Inventions - July 26, 1884

Engineering Inventions - July 26, 1884

Departments

  • Letters

    Correspondence - July 26, 1884

  • Recommended

    New Books and Publications - July 26, 1884

  • Departments

    Business and Personal - July 26, 1884

  • Notes and Queries - July 26, 1884

  • Index of Inventions - July 26, 1884

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July 26, 1884

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