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Improved Bolt Cutter

Wood Turning at High Speed

Miscellaneous Summary

The Manufacture of Beet Sugar

Phenic Acid

Should There be a Patent Law ?

Storer's Open-Top Suet Lubricator

The Way Felt Hats Are Made

Mershon's Watch Key

Workingmen's Associations

Novel Mode of Treating Coffee

The Non-Recoil Gun--A New Principle in Explosives

What the South Needs

The Scientific Americana New Volume

Patent Claims

Patent Office



  • Departments


  • New Inventions

  • Notes and Queries

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June 23, 1866

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