Features
From Brute to Man
The use of Hydrocyanic Acid Gas for the Destruction of the Red Scale
Fungi Parasitic upon Insects
The Magic Javelin
Vibrating Strings
Experiments with Spraying
Phosphorescent Bacteria
Coil Friction Power Transmitter
The Railroads of Mexico
Propeller for Pleasure Boats
Brickmaking in America
Omnibus with Roofed Imperial
The Manufacture of Vinegar
The Manufacture of Portland Cement from Slag
Light Batteries
Industrial Electric Ozonization
Lightning or other High Tension Current Protectors
The Apparatus for Electrical Execution
Historical Note on Thermal Batteries
Peroxide of Hydrogen: Its Preservation and Commercial Uses
Analyses of some American Fire Clays
Feodossieff's New Method of Tempering and Hardening Steel for Cannon and Projectiles
A Novel Seesaw
Baking Powders
Useful Engineering Books
Building Plans and Specifications
Pharmaceutical Meeting
Departments
- Departments
Patents!- May 31, 1890