Volume 110, Issue 15
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Features
The Plumbing of the Human Body
The Surgeon as a Sanitary Engineer
The Problem of Our Navy-April 11, 1914
VII.—Personnel—The Question of Officers and Men
Protection From X-rays in Radiography
The Devices of Dr. Maxime Ménard
Vocational Guidance and Efficiency
How Boys Are Started Aright in Life
Guns on Aeroplanes
A Self-steering Farm Motor, Fodder Equivalents and more
Nebuchadnezzar as a Builder
Safe Moving Pictures
The Inventions of Nicholas Power