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The American Watch Works

By H. C. Hovey

Straightening Shafts

The Greely Explorers at Home

Screw Bolt Heads

Steel Tests

Portable Barn

Lumber Grader's Combination Tool

Spring Seat for Wagons

Hot Air Furnace

Means for Transmitting Motion

Dredging at Oakland, Cal

How Our Carp are Destroyed

Electro-Pneumatic Valve

An Automatic Fire Extinguisher

Cuspidor Stand

A Russian Flower Basket

Miscellaneous Inventions - August 16, 1884

Agricultural Inventions - August 16, 1884

Engineering Inventions - August 16, 1884

Mechanical Inventions - August 16, 1884


  • Departments

    Business and Personal - August 16, 1884

  • Notes and Queries - August 16, 1884

  • Index of Inventions - August 16, 1884

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Dwindling Supply. Increasing Demand.

Dwindling Supply. Increasing Demand.

Solving the Water Crisis