Features
Editorial Correspondence
Villard's Rotating Chimney Cap
The Allen-Porter-Whitworth High-Speed Engine
Machine Tools at the Exposition
Facts About Explosions of Steam Boilers
The Sampson Scale
New Publications
Recent American and Foreign Patents
Editorial Summary
The Paris Exposition--Official List of the Awards to American Exhibitors
Business and Manufacturing Items
Answers to Correspondents
Malleable Cast Iron
Rights of Property in Inventions
Sources of National Importance
Notice to Subscribers
Persistence the Essential Element of Success
Practical Mechanics as Visitors to the Great Exposition
Patents and Claims
State of the Patent Office
King's Spring Fishhook and Trap
Departments
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Business and Personal
