The Improvement of the High Boiling Petroleum Oils—I
By the Action of Aluminum Chloride
Volume 81, Issue 2090supp
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Features
Fitting Motor Truck Rims
Fire-proofing Stage Scenery
Trenching and Mining Operations
Important Underground Maneuvers in the War
The Heart of the Athlete
Rat-Fleas and Rat-Trypanosomes
How Trees Heal their Wounds
Remarkable Powers of Recovery from Injuries by Vegetable Life
Prevention of Trench-Foot
Leather Investigation
The Composition of Some Sole Leathers
Cast Iron for Explosive Shells
A Wide and Narrow Gage Railway Comparison
Water Powers of Canada
Notes of the Natural Resources and Some of the Developments
Tortoise-Shell Divination
By Nobitake Tsuda, (Expert in the Imperial Museum Tokyo)
Bacteriology of Wounds in War
Complications that Have Resulted from Special Conditions
Metastability of Metals
An Old Boiler Explosion Theory Confirmed
The Largest Gasoline Ferryboat
A Successful Application of Gasoline Engines in Exacting Service
Electricity in the Field of War
Every Convenience of the City to be Found at the Front
Washing Locomotive Smoke
How a Serious Local Nuisance Was Overcome
The Control and Protection of Electric Systems
Immense Increase in Production of Electric Power and Difficulties that Have Been Overcome