Features
Science Familiarly Illustrated
The Exhibition of Iron and Steel
Editorial Summary
Maine and Her Public Works
May's Patent Key Guard
Brown & Sharpe's Cutter for the Teeth of Gears
Steam Boilers--Their Form, Construction, and Material
Exposition Notes
Recent American and Foreign Patents
Business and Manufacturing Items
Answers to Correspondents
Improved Stitching Clamp
Street Pavements
A Mechanical Paradox
Tin Lined Water Pipe
Patent Claims
Extension Notice
Zur Beachtung für Deutsche Crfinder
Departments
- Departments
Correspondence
Business and Personal
