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Features

Detecting and Preventing Leakage in the Soft-Coal Pile, Our Navy and the Japanese Bogy and more

By R. P. Nichols

Making the Barge Canal Pay

What is Needed to Give New York's Waterway the Standing it Should Have

By Frank M. Williams

Jerusalem's New Water Works

By H. J. Shepstone

Light Burning in California Forests

By Charles P. Fryer

One Hundred Years of Gas Lighting

An Account of the Early Days of This Art, Which First Stood on Solid Ground in 1820

By William Ressman Andrews

Tuning and Testing

How the American Automobile Engine is Limbered Up and Tested for Flaws

By George Gaulois

The Dawn of American Commercial Aviation

Why We Have Trailed Behind Europe and How We Hope to Catch Up In the Near Future

By Ladislas d'Orcy

In the Modern Sawmill

Machines and Methods by Which the Cutting Up of Logs is Put on a Basis of Extreme Economy

By Harry A. Mount

Carbonic Acid Gas to Fertilize the Air

By Alfred Gradenwitz

Mechanical Stevedore That Handles Bananas

By Thomas Ewing Dabney

With the Engineers of Industry

A Department Devoted to the Physical Problems of the Plant Executive

Roller Bearings for Line Shafts, Gravity as an Aid to Production and more

Departments

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    Correspondence

  • Inventions New and Interesting

  • Recently Patented Inventions

  • New Books, Etc.

  • Notes and Queries

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November 1920

Think Outside the Gift Box