Features
The Millers and the Patent Laws
Electrical Pavements for City Locomotion, Skin Grafting from the Dead and more
Patent Pants
Are River Waters Safe
Miscellaneous Inventions
Improvement in Horseshoes
Electric Brake for Railway Cars
Engineering Inventions
Pneumatic Clocks
American Industries--No. 48
Recent Decisions Relating to Patents
U. S. Circuit Court--Southern District of New York.
Improved Fishway
Novel Corn Sled
Natural History Notes
Nemertes, or Striped Polia
Sea Otter, or Kalan
Improved Elevator
The Structure of Matter
Departments
- Departments
Correspondence
New Inventions - July 10, 1880
Business and Personal - July 10, 1880
Notes and Queries - July 10, 1880
Index of Inventions - July 10, 1880
Patents - July 10, 1880