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Features

Fire Island

An Improved Steam Motor

New Metallic Railway Tie

Fire Extinguishing Apparatus

An Improved Safety Device for Elevators

A Device to Stop Runaway Horses

A Drying Apparatus for Fish, Etc.

An Improved Grinding Device

Novel Clothes Line Support

A Machine to Supersede Typesetting

George Lincoln Goodale

The Great Railway Tunnel under the St. Clair River, Between the United States and Canada

New Victor No. 0 Electroplating Dynamo

An Improved Register or Counter

Departments

  • Letters

    Correspondence- August 9, 1890

  • Recommended

    New Books and Publications- August 9, 1890

  • Departments

    Recently Patented Inventions- August 9, 1890

  • Business and Personal- August 9, 1890

  • Notes and Queries- August 9, 1890

  • Index of Inventions- August 9, 1890

  • To Inventors- August 9, 1890

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August 09, 1890

Complex Causes. Alternative Solutions.