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A New Carpenter's Plane

London, Berry & Orton's Band Saw Mill

American History of the Electric Light

The South as a Competitor of England

Confiscation of American Patents

William H. Rulofson

A Scientific Invention Wanted

Mining Notes

The Constitution of Matter in the Gaseous State


Hair on the Musk Turtle

Sanitary Uses of Gunpowder

The Breeding of Eels

The Rapieff Electric Light

A New Bench Plane

A New Foot Lathe

Improved Musical Condenser

Double Screw Parallel Vise

Paris Exhibition

Vienna Bronze Work

To Inventors

Communications Received


  • Departments


  • Notes and Queries

  • Business and Personal

  • Index of Inventions

  • Patents

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