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Compressed Air for Small Motors

The Teeth of Mills

Expected Advent of the Locust

Grain in Cast Iron

Automatic Drawbridge Gate

Automatic Fan

Metallic Railroad Tie

A Novel Soap Holder

A Mammoth Steam Snow Shovel

Improved Steam Hammer

Pendulum Escapement

Belt Fastener

Unexplored Branch of the Fire Escape Problem

Labor-Saving Machines for Restaurants

Tarpon Fishing with Rod and Reel

Boiler Explosion at Franklin, Ind

A New Bag Rack

Agricultural Inventions - May 23, 1885

Engineering Inventions - May 23, 1885

Miscellaneous Inventions - May 23, 1885


  • Letters

    Correspondence - May 23, 1885

  • Recommended

    New Books and Publications - May 23, 1885

  • Departments

    Business and Personal - May 23, 1885

  • Notes and Queries - May 23, 1885

  • Index of Inventions - May 23, 1885

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Self-Awareness or Illusion?

Self-Awareness or Illusion?

Solving the “Hard Problem”