Features
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
Departments
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Editorial Correspondence
Business and Personal
Patents
