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The American Watch Works

By H. C. Hovey

Screw Bolt Heads

The Greely Explorers at Home

Straightening Shafts

Steel Tests

Lumber Grader's Combination Tool

Spring Seat for Wagons

Portable Barn

Hot Air Furnace

Means for Transmitting Motion

Dredging at Oakland, Cal

Electro-Pneumatic Valve

How Our Carp are Destroyed

Cuspidor Stand

An Automatic Fire Extinguisher

A Russian Flower Basket

Agricultural Inventions - August 16, 1884

Engineering Inventions - August 16, 1884

Mechanical Inventions - August 16, 1884

Miscellaneous Inventions - August 16, 1884

Departments

  • Departments

    Business and Personal - August 16, 1884

  • Index of Inventions - August 16, 1884

  • Notes and Queries - August 16, 1884

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August 16, 1884

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