Features
Wanted-a First Class Gun
Position of the Planets in April 1889
War Material of American Designing
An Improved Brake Block
An Improved Buckboard
Improved Handle for Sliding Doors
An Improved Knife Cleaner
A Novel Nut Lock
An Improved Rotary Harrow
Improved Device for Detaching Animals
An Insulator for Electrical Conductors
Improved Hood for Stoves or Ranges
An Improved Plant Nest
Armstrong's Envelope Cutter
An Improved Photograph Printing Frame
Improved Calipers and Dividers
An Improved Watering Trough
The New Spanish Ship of War Pelayo
Photographic Notes- March 30, 1889
Departments
- From the Editor
To Inventors- March 30, 1889
- Letters
Correspondence - March 30, 1889
- Departments
Recently Patented Inventions- March 30, 1889
Business and Personal- March 30, 1889
Notes and Queries- March 30, 1889
Index of Inventions- March 30, 1889
