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A Timely Rebuke

Government Advertising in France

Hysteria and Yacht Racing

Liquid Air Promoting

The "Denver" Class of Cruisers

The Boers and the Giraffe

The Defective Eyesight of School Children

By Archelaus G. Field

A Long Photographic Telescope

American Steel for a Prince's Palace

Vitrified Claypipe Instead of Iron for Gas Mains

A Compact High Speed Engine

A Boiler with a Removable Fire Box

An Improvement in Friction Clutch-Pulleys

A Combined Walking and Sulky Plow

The Philadelphia Subway and Tunnel

Preliminary Skirmishing between "Shamrock" and "Columbia"

Boats and Sails

By Walter Burnham Sails

Xiphopages, or Human Doubles

Total Eclipses of the Sun

With Some Reference to The Next Eclipse Visible in The Southern States, May 28, 1900

By G. E. Lumsden

To Inventors - October 21, 1889


  • Recommended

    New Books, Etc.- October 21, 1899

  • Mathematical Recreation

    Correspondence - October 21, 1899

  • Departments

    Recently Patented Inventions - October 21, 1899

  • Business and Personal - October 21, 1899

  • Notes and Queries - October 21, 1889

  • Index of Inventions - October 21, 1899

  • Patents - October 21, 1889

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