Features
Looking for Employment
A Spindle Support and Driving Device
An Improved Telephone
An Inexpensive Broom Holder
Portable Parlor Fountain and Flower Stand
A Curious Tombstone
New Depot of the Pennsylvania Railroad
Concurrent Electric Reports of Races
Invention in 1889 A. D. vs. Invention B. C.
List of Architectural Books
Experimental Science- February 14, 1891
The Scientific American Publications for 1891
The Scientific American Supplement
Building Edition
Departments
- Letters
Correspondence- February 14, 1891
- Departments
Recently Patented Inventions- February 14, 1891
Notes and Queries- February 14, 1891
Index of Inventions- February 14, 1891
Business and Personal- February 14, 1891
