Volume 107, Issue 24
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Features
An Automatic Gasoline Engine Cream Separator
An Apparatus for Making Observations from Aeroplanes
By the Paris Correspondent of the Scientific American
A Mechanical Bill Counter for the United States Treasury
An American Small-arms Plant in Australia
A Triumph for American Machine Tools
The Parcels Post Zone System
The New Maps and How They are Used, To Our Subscribers and more
Catapulting a Hydro-aeroplane from a Fighting Ship
Adapting the Flying Machine to the Requirements of the Navy
Working a Whistler
A Dangerous Task That Requires Skill