The Earth's Atmosphere
Its Properties and Extent
Volume 74, Issue 1913supp
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Features
A Rhine-North Sea Canal
By Our Berlin Correspondent
Xochimilco and its Lake of Gardens
Aztec Irrigation of the Sixteenth Century
Porous Metals
By the Berlin Correspondent of the Scientific American
A Review of the Physics of Light—II
Presidential Address at the Recent Optical Convention in London
The Cost of a Superfluous Language, The Royal Institute of Public Health
The Centenary of the Krupp Works the Rise of a Great Steel Plant
The Uses of Acetylene
A Review of Twenty Years' Progress
The “Green Flash”
A Natural Phenomenon Illustrated by Artificial Means
The Philosophy of Purchasing Supplies
Smokeless Powder
With Reference to Its Granular Form
New Researches on Electric Discharge Phenomena
Some Interesting Experiments With the Ruhmkorff Coil
Manufacture and Treatment of Steel for Guns—II
An Industry of About Thirty Years' Standing