Volume 122, Issue 25
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Features
Duluth to Liverpool in One Bottom
The Arguments Advanced in Favor of a Deep-Water Route Between the Great Lakes and the Sea
Common Sense in the Laboratory
Some of the Ways in Which Better Executive Control Might Aid Electrical Research
Relieving the Nitrate Pressure
The Development of Liquid Oxygen Explosives During the War
What is Wrong with Our Paper Supply?
Some Reasons Why This Essential Material is Scarce and High-Priced
With Our Latin Customers
Engineering Works That Have Put Venezuela Abreast of the Twentieth Century
When the Heart Tells its Story
How Electrical Engineers Have Developed a Practical Cardiac Recorder for the Medical Fraternity