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The Levitt-Muller Electric Lighting System and Multiple Circuit Dynamo

A Recent Aurora

The War in Egypt

Freight Car Couplers

Frey's Plumber's Coupling

Novel Door Securer

Improved Freight Car

Improved Gate

Spring Steam Hammers

Compound Nest of the C. Palustris and the A. Phœniceus

By Daniel C. Beard

Agricultural Inventions

Miscellaneous Inventions

Mechanical Inventions

Engineering Inventions

Electrical Invention

Communications Received


  • Departments


  • Recent Inventions

  • Business and Personal

  • Index of Inventions

  • Notes and Queries

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August 19, 1882