Features
New System of Maritime Navigation
A Straining and Measuring Pot
An Ensilage Harvester and Chopper
An Improved Clothes Line Pulley
An Improved Cultivator
Ferns: Their Preservative Properties and Varied Uses
Dr. S. P. Langley's Experiments in Aerodynamics
The Electrical Transmission of Power Between Lauffen on the Neckar and Frankfort on the Main
California's Famous Big Trees
Trouve's Aviator
Departments
- Letters
Correspondence- February 13, 1891
- Recommended
New Books and Publications- February 13, 1891
- Departments
Recently Patented Inventions- February 13, 1891
Business and Personal- February 13, 1891
Notes and Queries- February 13, 1891
Index of Inventions- February 13, 1891
