Features
Wanted-Torpedo Defences
The Human Machine and its Fuel
Torpedoes
Improved Friction Hoisting Engines
The Electric Candle
The New Godefroy Burner
Two New Utilizations of Paper Pulp
Grant's Improved Horse Hay Fork
Projection of Interference Colors from Soap Films
Astronomical Notes
Professor R. H. Thurston's Autographic Testing Machine
A Wonderful Watch
Californian Sea Lions
The Fountains at Aranjuez
International Postal Order System
New York Academy of Sciences
New Mechanical and Engineering Inventions
Recent American and Foreign Patents
New Miscellaneous Inventions
New Agricultural Inventions
New Household Inventions
Communications Received
Departments
- Departments
New Books and Publications
Business and Personal
Notes and Queries
Index of Inventions
