Features
Oxidation-Proof Bronzing
Some Practical Suggestions
The Origin of some Naval and Military Customs
The Breakable Part as a Prevention for Overload
The Quebec Bridge Disaster
A Summary of the Findings of the Commission of Inquiry Appointed by the Canadian Government
Airships in War
A New 16-Spindle Drill
Something Novel in Machine Tools
A Constant-Level Gas Meter
How the Water Level Is Maintained
The Photography of Color.—I
A History of Photographic Color Research and its Present Status
Benardos System of Electric Welding
A Simple Process
Farming the Kangaroo
A Novel Experiment Successful Which Has Proved Successful In England
The Lime and the Lemon
Resuscitation of Electrocuted Animals
Eclipses of the Sun and Moon
How They are Calculated
The Ether of Space
A Discourse by Sir Oliver Lodge
The Origin of Continents and Oceans
A Theoretical Study
The History of Glass Making
The Ancient Origin of Glass