Scientific American Magazine
Volume 110, Issue 25You are currently logged out. Please sign in to download the issue PDF.
Features
Possible Addition of Three Battleships This Year, Physical Law in Economics, and more
Forty-five Years of Air-brake Evolution
The Langley Aeroplane Construction and Control Mechanism
X-Ray Analysis of Crystals, A Close Shave in the Air, and more
The Discovery of Nebular Rotation, The American Radio Relay League, and more
The Super-dreadnought Queen Elizabeth
The First Battleship to Mount 15-inch Guns
Oscar Parkes
Psychophysical Tests for Falsehood, The Hawaiian Volcano Observatory, and more
The Thalassioscope, Can England Be Attacked from the Air?
Making Money Out of Butterflies
Hearing Ourselves as Others Hear Us
Marble Light
Departments
Recently Patented Inventions- June 20, 1914
New Books, Etc.- June 20, 1914
