SA Supplements Vol 79 Issue 2042supp

SA Supplements

Volume 79, Issue 2042supp

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Features

Aeronautics and the War

A Review of What Aeroplanes Have Done and of Their Development During the Year

The making of Large Guns

Some Details and Methods of Constructing Modern Weapons

Auxiliary Military Motor Cars

Various Kinds of Cars That Have Been Developed to Meet Requirements of Armies in the Field

The Preserving of Food Products

High Explosives in Warfare

Interesting Facts Relating to Their Composition and Action

W. Macnab

Winter Wireless News Service to the Magdalen Islands

Training for the Municipal Service

How Public Business is Conducted Efficiently and Without Waste in German Cities

Clyde Lyndon King

Thinking Animals

A Military Wireless Outfit

X-Ray Work in War

Developments in Practical Applications as Now Used in the Field and in Hospitals

Wireless Telephony

Effect of the War upon Crime

Chemistry of Flaming Arc Carbons

Their Development and Operation

William C. Moore

Uniformity in Dosage of Radium Emanation

The Various Forms Employed and Methods of Preparation

William Jay Schieffelin

Aeroplane Darts and Fire Darts

Philosophy and Technics

Catalysis in the Gas Industry

Coal the Big Item

Instantaneous Photography without Camera or Plate

The Gas from Blast Furnaces—III

Its Cleaning and Utilization

J. E. Johnson

Utilizing Old Equipment

A Unique Hydraulic Plant

Departments

New Books, Etc. - February 20, 1915