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French International Exhibition of the Products of Fermentation and Distillation

The Crippled Condition of the Patent Office

Cape Flowers

An Accurate Automatic Time Recorder

An Improved Ore Sampling Device

Attachments for Swimmers' Use

An Improved Bolt Heading Machine

The Famine in India

By Frank van Allen

A Revolving Shield for Cars

Stevens Institute of Technology

The Crowded Condition of the Patent Office

The Grand Canyon of the Colorado

By H. C. Hovey

The Western Union Time Ball Service


  • Recommended

    New Books and Publications- June 18, 1892

  • Departments

    Recently Patented Inventions- June 18, 1892

  • Index of Inventions- June 18, 1892

  • Notes and Queries- June 18, 1892

  • Business and Personal- June 18, 1892

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June 18, 1892

Of Shamrocks and Science

Happy St. Patrick’s Day