Scientific American Magazine
Volume 62, Issue 20You are currently logged out. Please sign in to download the issue PDF.
Features
A New Submarine Boat
The Copyright Bill Fails To Pass
A Fiber from Cotton Stalks
An Anvil Attachment
An Improved Adjustable Ladder
An Improved Ventilator for Railway Cars
An Improved Pipe Clamp
A Water Shield for Window Brushes
An Improved Ledger Index
An Improved Wire Stretcher
An Improved Curtain Pole Fixture
An Improved Clothes Line Adjuster
The Accident to the Steamer City of Paris
An Improved Valve
An Improved Furnace Door Opener
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
Correspondence- May 17, 1890
Recently Patented Inventions- May 17, 1890
Business and Personal- May 17, 1890
Notes and Queries- May 17, 1890
Index of Inventions- May 17, 1890
Patents! May 17, 1890
