Features
A New Swiss Hydraulic Plant
Contemporary Electrical Science
A New form of Diaphragm Cell for the Electrolytic Production of Alkalies and Chlorine
A 1,200 Horse Power Gas Engine
The Ondograph
The Rapid ageing and Fireproofing of Wood
Luminous Bacteria
Locomotives fired with Petroleum
The Completion of the Sault Ste. Marie Canal
The Kaiser Wilhelm Monument at Hohensyburg
The Chemistry of Color
Some Interesting Tricks and Experiments Explained
