Features
Detection of Sulphurous Acid in Foodstuffs
Legislation to Prevent Forest Fires
Engineering
Science
Electricity
Brazilian Battleship "Minas Geraes"—Most Powerful Fighting Ship Afloat
A Hydraulic Drive System
New Discoveries about Lightning
Progress on the Panama Canal
Santos Dumont's Latest Aeroplane
The Fourth Aeroplane of the Aerial Experiment Association
Mechanism of the Ovipositor Drill
Brake Mechanism for Wagons
Grain-Washing Machine
Improved Railroad Tie
Novel Boat-Propelling Device
Patent Department
Departments
- Departments
Correspondence
Recently Patented Inventions
Notes and Queries
New Books, Etc.
Index of Inventions
