Features
Are Townsmen or Countrymen the Healthiest?
Postal Street Cars
Coupling a Dynamo to a Car-Axle
Photographic Notes- January 19, 1889
The Deep Wells of Reading, PA
A Foot-Shield for Pianos, Etc.
Improved Lifting Cage for Mines
Improved Double-Reciprocating Engine
A New Screw Cutting Die
Improved Pulsatory Wool Washing Machine
An Improved Road Grader and Ditcher
An Improved Screw Driver
An Improved Can Opener
The Bartlett Project for a Water Supply for Lower New York
A Boy's Invention
The Great Railway Bridge over the Firth of Forth
St. Louis to be a Seaport
Experiments in Capillary Force
Apparatus for Compounding Rectangular Vibrations
To Inventors- January 19, 1889
Departments
- Letters
Correspondence- January 19, 1889
- Recommended
New Books and Publications- January 19, 1889
- Departments
Business and Personal- January 19, 1889
Recently Patented Intentions- January 19, 1889
Notes and Queries- January 19, 1889
Index of Inventions- January 19, 1889
