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A New Steam Tiller

How Our Patent Laws Promote and Improve American Industries


Spain a Field for Machinery and Patents

Peter Cooper as an Inventor

Curious Facts in Magnetism

A New Ironing Table

A New Ore Crusher

Recent American Patents - March 29, 1879

Remedy for the New Carpet Beetle

New Stencil Pen

A Novel Engine Regulator

The Writing Telegraph

Cowper's Writing Telegraph


An Improved Door Bolt

Improved Furnace for Burning Garbage

New Agricultural Inventions

An Ancient Greek Vase

Glass Sponges

To Inventors - March 29, 1879

Communications Received - March 29, 1879


  • Departments

    Correspondence - March 29, 1879

  • Notes and Queries - March 29, 1879

  • Business and Personal - March 29, 1879

  • Index of Inventions - March 29, 1879

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