Scientific American Magazine
Volume 54, Issue 20You are currently logged out. Please sign in to download the issue PDF.
Features
The Brush Electric Works at Cleveland, Ohio
State Interference with Patents
The Proposed Extension of Patents
The Aladdin Cooker
Discovery of Two New Comets
White Rubber Back Square Piston Packing
Combined Chimney and Ventilator
Listed Corn Cultivator
Pressure Gauge
A Compound Lever Pinch Bar for Moving Cars
Powerful Automatic Car Coupler
A Novel Steam Engine
Centrifugal Speed Indicator
A Singular Effect of the Action of Frost
How to Carry Water in a Sieve
Who Invented the Ratchet Brace?
Argus Peacocks in the Berlin Zoological Garden
Miscellaneous Inventions - May 15, 1886
Engineering Inventions - May 15, 1886
Departments
Correspondence - May 15, 1886
New Books and Publications - May 15, 1886
Business and Personal - May 15, 1886
Notes and Queries - May 15, 1886
Index of Inventions - May 15, 1886
Patents