Volume 123, Issue 22
You are currently logged out. Please sign in to download the issue PDF.
Features
Making the Barge Canal Pay
What is Needed to Give New York's Waterway the Standing it Should Have
Light Burning in California Forests
Jerusalem's New Water Works
One Hundred Years of Gas Lighting
An Account of the Early Days of This Art, Which First Stood on Solid Ground in 1820
Tuning and Testing
How the American Automobile Engine is Limbered Up and Tested for Flaws
The Dawn of American Commercial Aviation
Why We Have Trailed Behind Europe and How We Hope to Catch Up In the Near Future
In the Modern Sawmill
Machines and Methods by Which the Cutting Up of Logs is Put on a Basis of Extreme Economy
Carbonic Acid Gas to Fertilize the Air
Mechanical Stevedore That Handles Bananas
With the Engineers of Industry
A Department Devoted to the Physical Problems of the Plant Executive