Scientific American Magazine
Volume 111, Issue 9You are currently logged out. Please sign in to download the issue PDF.
Features
The Command of the Sea, A Real Test for Military Aircraft, and more
Night Landing Signals for War Aeroplanes
Two Luminous Circles That Help Airmen to Alight in Safety by Our Berlin Correspondent
A Permanent Electric Current Without Electromotive Force
The Latest Discovery of Prof. Kamerlingh Onnes
A Century of Dreadnoughts, How much it Costs to Kill a Man in Battle, and more
Remarkable Wood Preservation, A Double-piston Internal-combustion Engine, and more
Motor Truck Notes and Queries- August 29, 1914
Departments
Correspondence- August 29, 1914
The Heavens in September
The Motor-driven Commercial Vehicle—August 29, 1914
Recently Patented Inventions- August 29, 1914
