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Amateur Mechanics

The American Association for the Advancement of Science

A Sanitary Captain Eads Wanted

Sandal Wood

The Systéme Sébillot

A New Piston Rod Packing

Engineering Inventions

An Improved Churn

Recent Agricultural Inventions

New Magnetometer

By Geo. M. Hopkins

Recent Mechanical Inventions

New Electric Current Regulator

Combined Sad-Iron and Fluting Roller

Miscellaneous Inventions

New Cut-Off


Communications Received


  • Departments


  • New Books and Publications

  • Business and Personal

  • Notes and Queries

  • Index of Inventions

  • Patents

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