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Features

Mammoth Fire Boat

Physical Training as a Means of Mental Health

Telegraph Wires in Cities

Another Important Reissue Decision by the Supreme Court

New Theory in Regard to Lunar Volcanoes

Steam Engines for Electric Light Machinery

The Humane Association's Cattle Car Competition

A Telephone Reissue

White Ants in Court

Mechanical Inventions - March 5, 1881

Skate Sailing

New Drop Attachment for Bottles

Self-Winding Watch

Improved Fog Horn

New Hatcheling Device

Agricultural Inventions

Amateur Mechanics

Pinking Machine

The Osprey

Miscellaneous Inventions - March 5, 1881

A Ducking Battery and How to Make It

Communications Received - March 5, 1881

Departments

  • Letters

    Correspondence - March 5, 1881

  • Departments

    New Inventions - March 5, 1881

  • Recent Inventions - March 5, 1881

  • Business and Personal - March 5, 1881

  • Notes and Queries - March 5, 1881

  • New Books and Publications - March 5, 1881

  • Index of Inventions - March 5, 1881

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March 05, 1881

Help Us Reforest the Mississippi River Valley