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Features

Prices--Today, Yesterday and Before the War, The Einstein Award and more

By Ralph Howard

The Mississippi's Mouth

What New Orleans is doing to Insure its Permanent Navigability

By J. F. Springer

New York's Snow-Fighting Tractor Plows

By Alfred Longville

The Motor Sled Versus the Dog Sled

By George Gaulois

Power in Big Packages

Some of the Economies to which we may look Forward if We Pool Our Fuel-Burning Plants

By S. G. Roberts

A Matter of Definition

Divergent Viewpoints as to What Constitutes a Popular Essay By the Einstein Editor

Where the Printer gets his Ink

America's Carbon-Black Industry and the Methods it Employs

By Henry P. Westcott

Are We Abusing Our Water Resources?

Current Methods of Disposing of Organic and Mill Wastes, and their Bearing on the Food Question

By P. W. Claassen

New Battle-Cruiser Constellation

By J. Bernard Walker

With the Engineers of Industry

A Department Devoted to the Physical Problems of the Plant Executive

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January 1921

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