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Features

The Artificial Production of Rain

The Weather Debating Society

A Safety Attachment for Car Brakes

A Bit for Boring Large Holes

A Simple Clip for Papers, Documents, Etc.

Hot Air Ballooning, Weehawken, N. J.

A Water Deodorizing Flume

New Flash Light and Fog Bell at Coney Island Point

Refrigeration for Towns and Cities by Street Mains

A Faithful and Tireless Servant

Departments

  • Letters

    Correspondence- September 5, 1891

  • Departments

    Recently Patented Inventions- September 5, 1891

  • To Inventors- September 5, 1891

  • Notes and Queries- September 5, 1891

  • Business and Personal- September 5, 1891

  • Index of Inventions- September 5, 1891

  • Patents! - September 5, 1891

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September 05, 1891