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Features

The Brush Electric Works at Cleveland, Ohio

By H. C. Hovey

State Interference with Patents

The Proposed Extension of Patents

Discovery of Two New Comets

The Aladdin Cooker

A Compound Lever Pinch Bar for Moving Cars

White Rubber Back Square Piston Packing

Pressure Gauge

Listed Corn Cultivator

Combined Chimney and Ventilator

A Novel Steam Engine

Powerful Automatic Car Coupler

Centrifugal Speed Indicator

A Singular Effect of the Action of Frost

How to Carry Water in a Sieve

By T. O'conor Sloane

Who Invented the Ratchet Brace?

Argus Peacocks in the Berlin Zoological Garden

Miscellaneous Inventions - May 15, 1886

Engineering Inventions - May 15, 1886

Departments

  • Letters

    Correspondence - May 15, 1886

  • Recommended

    New Books and Publications - May 15, 1886

  • Departments

    Business and Personal - May 15, 1886

  • Index of Inventions - May 15, 1886

  • Notes and Queries - May 15, 1886

  • Patents

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May 15, 1886

See the World from a Different Perspective

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