Atlantis
And the Permanency of the North Atlantic Ocean Bottom
Volume 83, Issue 2156supp
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Features
A Ten-Inch Diffraction Grating
The Problem of the Crippled Soldier
How to Put Him on the Pay Roll
Iron for Electrical Machinery
The Limitations of Stained Glass
A Comparison of Ancient and Modern Methods
Liquid Fuel
The Self-Made Troubles of a Deer
Motor Agricultural Work in France
Tungsten Ores in Malaya
Carving in Wood
The Oldest Art of the Human Race
The use of Supplementary Lenses
Engineering Precautions in Radio Installations
Various Possible ' Dangers and Means for a voiding Them
A One-Quarter Horse-Power Single-Phase Induction Motor—I
Complete Details and Instructions for Building
The Function of Pressure in Chemical Problems
An Important Field for Further Research