Scientific American Magazine
Volume 76, Issue 21You are currently logged out. Please sign in to download the issue PDF.
Features
The Inventor of the Automatic Gun
Bishop Potter on Labor and Machinery
"United States Patent Laws"
The Berliner Telephone Transmitter Patent Sustained
An Advance in the Electrical Equipment of Steam Railroads
An Efficient Latch for Heavy Doors
A Convenient Window Desk
A Simple Bicycle Holder
A Novel Music Leaf Turner
A Shorthand Typewriter
The Leak in the New Dry Dock, Brooklyn Navy Yard
The Torpedo Boat Porter
Harvard Observatory in Peru
An Arc Lamp that Operates in Any Position
The Columbia Motor Carriage
Departments
Business and Personal - May 22, 1897
Recently Patented Inventions - May 22, 1897
Notes and Queries - May 22, 1897
New Books, Etc. - May 22, 1897
Index of Inventions - May 22, 1897
Patents - May 22, 1897
