Features
Artistic Mechanics
Improved Loose Pulleys
The Jack of all Trades
Recent Experiments in Vivisection
Water Gas Ruled out of Massachusetts
Improved Dividers and Calipers
Improved Thill Holder
Protector for Water Pipes Against Freezing
The Hat as a Camera Obscura
Reversing Valve for Hoists, Elevators, Etc
Back For Piano Stools
Wire Flower Pot Holder
A Cheap Battery
Improved Construction of Vessels
The "Sun" Column, Designed for Lighting Entire Paris
A Fight for Life
Jersey Cow Mollie Garfield
The Rudder of the Alaska
Engineering Inventions - April 11, 1885
Agricultural Inventions - April 11, 1885
Miscellaneous Inventions - April 11, 1885
Departments
- Letters
Correspondence - April 11, 1885
- Recommended
New Books and Publications - April 11, 1885
- Departments
Business and Personal - April 11, 1885
Notes and Queries - April 11, 1885
Index of Inventions - April 11, 1885
