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The City of Aberdeen, a Great Lumber Center, Washington Territory

Report on Explosions in the Electric Subways

Progress of Ocean Steam Navigation

The American Association for the Advancement of Science

Secondary Battery Sub-Stations

An Improved Hen Coop

An Improved Piston Rod Packing

An Improved Thill Coupling Jack

An Improved Lens

An Improved Safety Harness

The Scientific Lantern

The White Star Liner Teutonic

An Improved Steel Belt Lacing

An Improved Tile Ditcher

The Electric Rolling Bridges of the Paris Exposition


  • Departments

    Recently Patented Inventions- August 24, 1889

  • Notes and Queries- August 24, 1889

  • Business and Personal- August 24, 1889

  • To Inventors- August 24, 1889

  • Index of Inventions- August 24, 1889

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August 24, 1889

Confronting Common Wisdom