Features
Miscellaneous Summary
Manufacture of Ultramarine
The Expansive Working of Steam
The Chemistry of Animal Substances
Silicated Soaps
The Olier Patent for Security Paper
Expansive Working of Steam in Marine Engines
Simple Locomotive Engines
The Valve of Research
Big Guns--Why They Fail
Riots and Mob Law
Experiments with Boiling Water
Antiquity of Man
The Reaction
Some Facts Concerning Reptiles
International Competition of Steam Fire Engines
Recent American Patents
Patent Claims
To Our Readers
Departments
- Departments
Correspondence
Notes and Queries
