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Ambrose Channel now One-Half Completed

Concrete and Cupidity

Growth of our Exports of Manufactures

A Prize for the Extraction of Flax

Route of Catskill Aqueduct Changed

Smokeless Powder and Ammunition Rooms

A College of Invention

By George Frederick Stratton

The Current Supplement

A Scientific Study of the Racehorse, and Its use in Mounting the Skeleton of Sysonby

The New United States Scout Cruiser "Salem"

A Home-Made Air Thermometer

By Baker Brownell

The Largest Locomotive Ever Constructed

A Locomotive Driving-Wheel Recording Device

A New Egyptian Irrigation Canal

By J. B. Van Brussel


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  • Recently Patented Inventions

  • Index of Inventions

  • New Books, Etc.

  • Patents

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