Features
Satisfactory Prospects for the War Vessels
Progress of Electric Illumination
Present Aspect of Invention
The Pratt Institute of Brooklyn
Improved Vertical Cylinder Boring Machine
An Improved Routing Machine
A Cheap Summer House
Sensitive Flames
Decisions Relating to Patents
U. S. Circuit Court.--Northern District of Illinois
An Improved Car Coupling
Departments
- From the Editor
To Inventors- March 23, 1889
- Letters
Correspondence - March 23, 1889
- Departments
Recently Patented Inventions - March 23, 1889
Notes and Queries - March 23, 1889
Business and Personal - March 23, 1889
Index of Inventions - March 23, 1889
