Features
Removal of Snow from Streets
Direct use of Steam as Motive Power of Aerostats
The Atmosphere of Caves
Propulsion for Ocean Steamers by the Steam Jet
Improved Car Coupling
Improved Harrow
The Glycerine Barometer
Mercury Bubbles
Combined Hook and Buckle
Cotton Chopper
Improved Sugar Machinery
Telephone Transmitter
Fall of a Great Water Tower
Recent Types of the Gatling Gun
The Fishing Frog
Trichechus Americanus--Manatee
Engineering Inventions
Agricultural Inventions
Mechanical Invention
Miscellaneous Inventions - December 25, 1886
Special - December 25, 1886
To Inventors - December 25, 1886
Departments
- Recommended
New Books and Publications - December 25, 1886
- Departments
Notes and Queries - December 25, 1886
Business and Personal - December 25, 1886
Index of Inventions - December 25, 1886
Index - December 25, 1886
