Features
Old Building Material
Completion of the Great Lyman-Haskell Gun
A Brave Life Gone Out
The Telephone Interference Case Decided
The Relations of Patent Experts to the Courts
Picker Fires
The Caterpillar and Its Enemy
Sketching for Mechanics
Parallels for Balancing Pulleys, Etc.
The Telescope at the Trocadero Observatory
Improved Reversing Rail Mill Engines
Natural History Notes
The Turbot, Goldbutt, and Sole
Engineering Inventions
Agricultural Inventions
Miscellaneous Inventions
Mechanical Inventions
Communications Received
Departments
- Departments
Recent Inventions
Index of Inventions
New Books and Publications
Notes and Queries
Business and Personal
