Skip to main content


If Our Cereal Harvest Should Descend on New York City, Phosphoric Acid and Potash Now Produced, and more

Reducing Trade Routes with Submarine Freighters

How a Special Type of Submarine Might Be Employed for Traversing the Arctic Ice Fields

By Robert G. Skerrett

Succeeding in Railway Mechanical Engineering

A Profession Which Offers Exceptional Opportunities to the Trained Mechanical Engineer

By Raymond Francis Yates

Electrification in Brazil

How the Sao Paulo Railroad Is Following the Example of Its American Namesake

By Robert Carlton Brown

Seeing in the Dark

An Account of the Success Obtained During the War in Detecting Invisible Objects by Their Bodily Heat

By Samuel O. Hoffman

Pulp Wood from Labrador

A Paper-Supply Likelihood of the Near Future

By J. T. Rowland

Harvesting the Hay the Latest Way

By Arthur L. Dahl

Shade Trees for City Streets, Testing Biological Products in England and more

By Alfred Longville

The Racing Airplane of the Future

(Reprint of a Study of Probable Future Developments, Originally Published in the Scientific American of Oct. 22. 1910)

By J. Bernard Walker


  • Departments

    Correspondence - August 14, 1920

  • Inventions New and Interesting - August 14, 1920

  • Recently Patented Inventions - August 14, 1920

Purchase To Read More

Already purchased this issue? Sign In to Access
Select Format
Scroll To Top