Features
The New Rule of the Patent Office
Piscicultural Progress
Waste Land and Forest Culture
Nature's Efforts
Rubber Tipped Pencils
The Manipulation of Pruning
Improved Animal Trap
Improved Safety Governor
Non-Freezing Float Steam Trap
Practical Mechanism - March 13, 1875
Astronomical Notes
Improved Railway Axle Box
Two Remarkable Plants
Decisions of the Courts
Engineers, Contractors, Machinists, and Manufacturers
Recent American and Foreign Patents - March 13, 1875
Communications Received - March 13, 1875
Canadian Patents - March 13, 1875
Departments
- Letters
Correspondence - March 13, 1875
- Recommended
New Books and Publications - March 13, 1875
- Departments
Business and Personal - March 13, 1875
Notes and Queries - March 13, 1875
Index of Inventions - March 13, 1875
