Features
Employment for the Idle
The Binary Injector
Raffard's Transmission Dynamometer
John Roach, of New York
His Ship-Building and His Views
A Simple Form of Storage or Secondary Battery
Automatic Boiler Feeder
Press for the Manufacture of Oils
Electricity as a Motor for Aerial Navigation
Mechanical Inventions - July 8, 1882
Miscellaneous Inventions - July 8, 1882
Departments
- Departments
Recent Inventions - July 8, 1882
Business and Personal - July 8, 1882
Notes and Queries - July 8, 1882
Index of Inventions - July 8, 1882
