Volume 69, Issue 1776supp
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Features
Wireless Signaling in Aeronautics
Experiments of the Signal Corps
Reduction Gear for Steam Turbines
Electro-Acoustic Method of Measuring Distances at Sea
Illuminating Engineering
The Technique of Artificial Illumination
Sugar Making
The Continuous Diffusion Process
The Refractivity of Radium Emanation
Keel Water and its Cause
A Physical Explanation
The Custom of War
Ancient and Modern Codes
Reclaiming Mesopotamia
Filters for Ultra-Microscopical Particles
A New Automobile Boat
An Amphibious Craft
A Binocular Fallacy
The Non-Magnetic Ship “Carnegie”
A Vessel without Iron or Steel
Tehuantepec and Panama Transisthmian Traffic by Rail
Color Action of Metals in Alloys
Electric Wires of Aluminium
The Different Phases of Matter
How Man Acquired his Five Fingers
A Hand is but a Promoted Fin
The Fate of the Long-Headed Blond Race
A Case of Rapid Variation of an Insect Species
Anomalies of Vision
Some Curious Illusions
Deep-Sea Life
Strange Instances of Adaptation to Environment
Venus and its Problems
Its Rotation and its Possible Life
Scientific Facts about Eggs
Their Character, Selection, Handling