Scientific American Magazine
Volume 17, Issue 2You are currently logged out. Please sign in to download the issue PDF.
Features
Editorial Correspondence
Villard's Rotating Chimney Cap
Ventilated Cooling Apparatus
The Allen-Porter-Whitworth High-Speed Engine
Machine Tools at the Exposition
Facts About Explosions of Steam Boilers
The Sampson Scale
New Publications
Editorial Summary
The Paris Exposition--Official List of the Awards to American Exhibitors
Recent American and Foreign Patents
Business and Manufacturing Items
Answers to Correspondents
Notice to Subscribers
Persistence the Essential Element of Success
Practical Mechanics as Visitors to the Great Exposition
Sources of National Importance
Rights of Property in Inventions
Malleable Cast Iron
Patents and Claims
King's Spring Fishhook and Trap
State of the Patent Office
Departments
Business and Personal
