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Herman Ludwig Ferdinand Von Helmholtz


Small Caliber Projectiles

A Burner to Facilitate the Burning of Crude Petroleum

A Clutch to Couple Sections of Shafting

The New P. and O. Steamer Caledonia

Monument to the Memory of the Inventor of the Bicycle Pedal

A Tobacco or Cigar Moistener

Street Piano Industry

A Locking Stop Cock for Train Pipes

A Mussuck Race

An Improvement in Harness

A Stone Baptist Church

To Inventors - November 10, 1894


  • Letters

    Correspondence - November 10, 1894

  • Recommended

    New Books and Publications - November 10, 1894

  • Departments

    The Heavens in November - 1894

  • Recently Patented Inventions - November 10, 1894

  • Business and Personal - November 10, 1894

  • Notes and Queries - November 10, 1894

  • Index of Inventions - November 10, 1894

  • Patents - November 10, 1894

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Dwindling Supply. Increasing Demand.

Dwindling Supply. Increasing Demand.

Solving the Water Crisis