Features
State Interference with Patents
The Proposed Extension of Patents
Discovery of Two New Comets
The Aladdin Cooker
A Compound Lever Pinch Bar for Moving Cars
Combined Chimney and Ventilator
Listed Corn Cultivator
Pressure Gauge
White Rubber Back Square Piston Packing
A Novel Steam Engine
Powerful Automatic Car Coupler
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
- Letters
Correspondence - May 15, 1886
- Recommended
New Books and Publications - May 15, 1886
- Departments
Business and Personal - May 15, 1886
Notes and Queries - May 15, 1886
Index of Inventions - May 15, 1886
Patents
