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Features

The New Chicago Water Works--the Lake Tunnel Intakes, and Caissons

Ericsson's Physical Strength

The Scientific American-Edicion Espanola

An Improved Seed Drill and Fertilizer Distributer

An Improved Car Dumping Device

Improved Device for Sanding Railroad Tracks

A Pocket Ticket Case

An Unloading Attachment for Cars

The Beaver (Castor Fiber)

A Feat in Photography

How to Make a Simple Electric Telephone Requiring no Battery

Lewis Morris Rutherfurd

The Luminous Fountains at the French Exposition

Departments

  • Letters

    Correspondence- December 14, 1893

  • Departments

    Business and Personal- December 14, 1893

  • Index of Inventions- December 14, 1893

  • Notes and Queries- December 14, 1893

  • Recently Patented Inventions- December 14, 1893

  • To Inventors- December 14, 1893

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December 14, 1889

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