Features
A Quarantine Fleet for the Mississippi
Government Use of Patents
American Industries-Our Illustrated Series
Burning of Oil Tanks by Lightning
A Patent Case of General Interest
Series Forty-Nine
The Boss Puzzle Abroad
Disastrous Steamboat Accident
American Industries.--No. 49
Automatic Safety Cylinder Cock
A Novel Wheelbarrow
Engineering Inventions
Improved Street Lamp
Repairing Spiral Springs
Improved Cartridge
New Ore Separator
Electro-Thermic Telephone
New Telephone Experiments
Novel Gate Closer
Miscellaneous Inventions
New Car Mover
The Terebella and Hermella
Fish Parasites
The Structure of Matter
Communications Received
Departments
- Departments
Correspondence
Notes and Queries - July 17, 1880
Business and Personal - July 17, 1880
Index of Inventions - July 17, 1880
