Features
Improvement of the ARC Light
The Majestic
Accident to a Great Steamer
An Improved Spring Motor
An Improved Type-Writer
An Improved Weeder
An Improved Permutation Lock
An Improved Skylight
Carter's Ditching and Excavating Machine
An Improved Thill Coupling
The Nonpareil Pipe Plug
An Improved Perforating Wheel
Preserve for Binding
Climbing the Great Chimney of the Clark Thread Works, at Harrison, N. J.
Economy of Belting and Pulleys
The Scientific use of the Phonograph
An Improved Mitering Machine
Fluorine
Improved Means of Distributing Power
To Inventors- April 19, 1890
Departments
- Letters
Correspondence- April 19, 1890
- Recommended
New Books and Publications- April 19, 1890
- Departments
Recently Patented Inventions- April 19, 1890
Notes & Queries- April 19, 1890
Business and Personal- April 19, 1890
Index of Inventions- April 19, 1890
