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The Manufacture of Paraffine

Pease's Oils at the Recent Fair

Improved Coupling and Cold Rolled Shafting

Hindman's Patent Husking Palm

The American Institute Fair

How Gun-Cotton Is Made

Editorial Summary

Manufacturing, Mining, and Railroad Items

Answers to Correspondents

Recent American and Foreign Patents

Taber's Improved Sink Trap

The Useful Mechanic

The Inventor--Some of the Obstacles to his Success

Bad Workmanship in Steam Boilers

Ordnance at the Exposition

Plating or Coating Metals with Metals

Official Report of Patents and Claims

Steam Fire Engines and the Petroleum Fuel

Extension Notice

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    Editorial Correspondence

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November 16, 1867

20% Sitewide for President's Day