Scientific American Magazine Vol 119 Issue 26

Scientific American Magazine

Volume 119, Issue 26

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Features

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 Trend of Tractor Development

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

Howard Warren

The Truck Triangle

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

John S. Harwhite

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

Marcus Benjamin

Motorizing the Mails

Using Trucks in Vast Numbers for Postal Service

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

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