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Labor and the Industrial Engineer, Crippling American Aviation and more

Paper from Alaska

The Prospects of a Permanent Supply of Pulpwood from Our Arctic Establishments

By James Anderson

A Near-Diesel Engine for the Airplane

By Harold F. Blanchard

Every Automobile its Own Elevator

By Robert G. Skerrett

The Case for the Steam Locomotive

Improved Efficiency a Possible Alternative to Railroad Electrification

By Charles Frederick Carter

Developing One Million Horsepower from Tidal Energy

A Government Scheme for Distributing 500,000 Electric Horsepower Generated in a Barrage Across the Estuary of the Severn

A Daring Ship Design

Concrete Tankers Cast in Sections from Sliding Forms

By Ralph Howard

Panama Canal Facts

How the Panama Canal Saves Time and Distance

Koka Seki and its Uses

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January 1921

See the World from a Different Perspective

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