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An Airplane Built to be Shot Down, Baby Chicks by Parcel Post and more

Some Motor Truck Economics

National Standardized Roads for the Nation's Motor Traffic

The American Destroyer

The New Type, the Depth-Bomb and the Other Accessories Which Have Contributed to Strafing the U-Boats

The Truck Triangle

Operating Costs of the Single Truck Owner Versus Those of the Fleet Owner

By John S. Harwhite

The Trend of Tractor Development

A Brief Survey of the Direction in Which the Consensus of Design Appears To Be Moving

By Howard Warren

The New President of the American Association for the Advancement of Science

By Marcus Benjamin

Motorizing the Mails

Using Trucks in Vast Numbers for Postal Service

By John R. Eustis

Electrically-Heated Soles for the Aviator's Cold Feet, Where Camouflage Robes Were Made and more

Post-War Status of Motor Truck Industry

Condition Created by Sudden Ending of the War

By Harry Wilkin Perry

Concrete and Cold Weather, A Timely Adjustment

The Current Supplement


  • Departments

    Correspondence - December 28, 1918

  • Inventions New and Interesting - December 28, 1918

  • Recently Patented Inventions - December 28, 1918

  • Index

  • New Books, Etc. - December 28, 1918

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