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Features

Improved Coupling and Cold Rolled Shafting

Pease's Oils at the Recent Fair

The Manufacture of Paraffine

Hindman's Patent Husking Palm

The American Institute Fair

How Gun-Cotton Is Made

Manufacturing, Mining, and Railroad Items

Editorial Summary

Recent American and Foreign Patents

Answers to Correspondents

Taber's Improved Sink Trap

The Inventor--Some of the Obstacles to his Success

The Useful Mechanic

Bad Workmanship in Steam Boilers

Plating or Coating Metals with Metals

Ordnance at the Exposition

Official Report of Patents and Claims

Steam Fire Engines and the Petroleum Fuel

New Publications

Extension Notice

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    Editorial Correspondence

  • Business and Personal

  • Patents

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November 16, 1867