Features
Improved Collapsible Lifeboat
Napier's Steering Gear
Drainage of the Mexico Valley
Hermann Gruson
Mineral Wax
White Woolens
Photogravure Processes
Thatch Making Machine
The Electric Mail Carrier
Electrocution
Underground Electric Cables
Optical Torque
The Terrestrial Globe at the Paris Exposition
Note on the Effects Produced on Man by Subcutaneous Injections of a Liquid obtained from the Testicles of Animals
Tobacco Smoking as a Safeguard against Infectious Disease
Treatment of Steel by Hydraulic Pressure
The Calorific Value of Fuels
Sea Boiler Deposits
Building Plans and Specifications
Useful Engineering Books
Departments
- Departments
Patents- August 10, 1889