Skip to main content


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

    Business and Personal - August 16, 1884

  • Index of Inventions - August 16, 1884

  • Notes and Queries - August 16, 1884

Purchase To Read More

Already purchased this issue? Sign In to Access
Select Format
August 16, 1884

See the World from a Different Perspective

Subscribe to Scientific American MIND