Features
A Fiber from Cotton Stalks
The Copyright Bill Fails To Pass
An Improved Ventilator for Railway Cars
An Anvil Attachment
An Improved Pipe Clamp
An Improved Adjustable Ladder
An Improved Clothes Line Adjuster
An Improved Curtain Pole Fixture
An Improved Wire Stretcher
A Water Shield for Window Brushes
An Improved Ledger Index
The Accident to the Steamer City of Paris
An Improved Furnace Door Opener
An Improved Valve
Etching
A Gigantic Plant from Sumatra
A New Gun for Firing High Explosives
A New Target Pistol
To Inventors- May 17, 1890
Electrical Books
The Scientific American
Departments
- Letters
Correspondence- May 17, 1890
- Departments
Notes and Queries- May 17, 1890
Business and Personal- May 17, 1890
Recently Patented Inventions- May 17, 1890
Index of Inventions- May 17, 1890
Patents! May 17, 1890
