Volume 123, Issue 7
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Features
Reducing Trade Routes with Submarine Freighters
How a Special Type of Submarine Might Be Employed for Traversing the Arctic Ice Fields
Succeeding in Railway Mechanical Engineering
A Profession Which Offers Exceptional Opportunities to the Trained Mechanical Engineer
Electrification in Brazil
How the Sao Paulo Railroad Is Following the Example of Its American Namesake
Seeing in the Dark
An Account of the Success Obtained During the War in Detecting Invisible Objects by Their Bodily Heat
Pulp Wood from Labrador
A Paper-Supply Likelihood of the Near Future
Harvesting the Hay the Latest Way
Shade Trees for City Streets, Testing Biological Products in England and more
The Racing Airplane of the Future
(Reprint of a Study of Probable Future Developments, Originally Published in the Scientific American of Oct. 22. 1910)