Features
Effects of Heat in the Comstock Mines
Freezing in Fire
The Elevated Railway Extension.--Details of Construction
American Industries.--No. 21
Pushing an Iron Bridge Across a River
Mechanical Inventions
Modification of the Reynier and Werdermann Electric Lamp
The Blake Transmitter
A New Fish Way
Miscellaneous Inventions
Recent Decisions Relating to Patents, Trade Marks, Etc.
A New Wrench
Engineering Inventions
New Motor and Meter
The Great Sea Cow of Florida
Arrow Poisons
Arabesque Cabinet
Communications Received
Departments
- Departments
Correspondence
Business and Personal
Notes and Queries
New Books and Publications
Index of Inventions
Patents
