Features
Patent Tricks-Old and New
Position of the Planets in February
Lower Bow Park, Banff
An Improved Car Coupling
An Improved Pipe Wrench
A Flying Machine
The Main Intersecting Sewer of the City of Brooklyn, N. Y.
Railway Bridge over the Ganges, India
General Montgomery Cunningham Meigs
The Mastodon
To Inventors- January 30, 1892
Departments
- Letters
Correspondence- January 30, 1892
- Recommended
New Books and Publications- January 30, 1892
- Departments
Recently Patented Inventions- January 30, 1892
Business and Personal- January 30, 1892
Notes and Queries- January 30, 1892
Index of Inventions- January 30, 1892