Scientific American Magazine
Volume 17, Issue 20You are currently logged out. Please sign in to download the issue PDF.
Features
Hindman's Patent Husking Palm
Improved Coupling and Cold Rolled Shafting
Pease's Oils at the Recent Fair
The Manufacture of Paraffine
The American Institute Fair
How Gun-Cotton Is Made
Editorial Summary
Manufacturing, Mining, and Railroad Items
Recent American and Foreign Patents
Answers to Correspondents
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
New Publications
Extension Notice
Departments
Editorial Correspondence
Business and Personal
Patents
