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Engine of the Torpedo Vessel Destroyer

The Voltaic Pencil

A New Switch Pedal

Glucose Honey

Some Patents that Section 11 would have Killed

A New Industry

A Vegetable Green for Confectioners

A Great Market for Our Cattle and Other Produce

A Hint for an Invention

Haeckel on Evolution

The Laundries of New York

The Demenge Engine and Boiler

A New Potato Digger

The Manufacture of Lard

American Mechanical Genius

By W. J. Stillman

Atmospheric Air and the Vacuum

The Porcupine

Improved Window Awning

Designs for Vases

To Inventors

Communications Received


  • Departments


  • Business and Personal

  • Index of Inventions

  • Notes and Queries

  • Patents

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