Opening Up the Harlem River, Determining Carbon in Steel by Electric Resistance and more
Famous New York Waterway to be Relieved of Obstructions and Deepened to 14 Feet
Volume 122, Issue 19
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Features
The World's Greatest Vehicular Tunnel
Some Constructional Features of the New York-New Jersey Project
The Langmuir Condensation Pump
Bringing the X-Ray to the Patient, Light-Filters for Observing Pilot Balloons
A Forward Step in Automotive Fuels
A Manufactured Fluid With Alcohol Base That Gives Better Engine Performance Than Gasoline
A Telephone to Europe?
What General Squier Has Done by Way of Utilizing Bare Wire Even in Water
The Tools of Science
John A. Brashear--A Great Instrument-Maker and Astronomer
Harnessing Our Waterpower
Why We Should Make the Most of Such Resources Within Our Boundaries
Succeeding in Mining Engineering
A Survey of the Training for and Opportunities in This Profession
Watering Idaho's Desert
A Hundred-Million-Dollar Project Involving two and One-Half Million Acres