Features
On the Manipulation of Collodio-Bromide of Silver Plates
Massachusetts Institute of Technology
Relating to Gears
New Publications
American Breech-Loading Cannon in Europe
Foreign Summary
Abbott's Metallic Hub
Special Notices
Hooker's Pump
Suggestions Relative to Legislation on Patents
Artificial Limbs
Do it Well
Fly Wheels for Long Shafting
Room in the Universe
Patent Claims
Patent Office
Mechanics
Departments
- Departments
Notes and Queries
Correspondence
