Features
Utilization of Waste Products, The Way to Make an Eolian Harp
Improved Evaporator, The Iron-Clad Steamer Tonawanda
Recent American Patents
New Books and Publications
The Government Experiments in Working Steam Expansively
Miscellaneous Summary
Car Springs
English Estimation of Our Monitor System
Simmering
Grumblers
Our Next Volume
The Pitches of Screw Threads
Patent Claims
Patents Granted for Seventeen Years!
Departments
- Departments
Correspondence
Notes and Queries
Index