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The Painting Machines at the World's Fair

The World's Columbian Exposition

Notes from the Worlds Columbian Exposition Chicago 1893

An Improved Unicycle

The Pearl Button Industry

An Improved Saddle Attachment

A Tool to Drill Conical Recesses

An Automatic Sprinkler to Put out Fires

An Improved Feed-Water Regulator

The Total Solar Eclipse of April 16

Position of the Planets in May

The Columbus Celebration, New York

Experiments with Soap Bubbles

By T. O'conor Sloane

To Inventors - April 29, 1893


  • Letters

    Correspondence - April 29, 1893

  • Recommended

    New Books and Publications - April 29, 1893

  • Departments

    Recently Patented Inventions - April 29, 1893

  • Notes and Queries - April 29, 1893

  • Business and Personal - April 29, 1893

  • Index of Inventions - April 29, 1893

  • Patents! - April 29, 1893

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