Features
Frederick J. Seymour
A Fast American Steam Line to Europe
Position of the Planets in August
An Improved Valve for Steam Engines
Hints on Glass Blowing
An Improved Necktie
Electric Lamp Hanger
An Improved Harness
Electric Propulsion for Common Roads
Recent Discoveries in the Nebul by Means of Photography
The Paris Exhibition
To Inventors- July 27, 1889
Departments
- Letters
Correspondence- July 27, 1889
- Recommended
New Books and Publications- July 27, 1889
- Departments
Business and Personal- July 27, 1889
Recently Patented Inventions- July 27, 1889
Notes and Queries- July 27, 1889
Index of Inventions- July 27, 1889
