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Motor Boats Sink Battleships, Sunk But Not Lost, and more

How Two Motor Boats Penetrated a Screen of Destroyers and Sank Austrian Dreadnoughts
[The article includes a front-page illustration]

In Unknown Soapdom

Some of the World's Little Known and Featureful Soaps and Soap Substitutes

By L. Lodian

The War Activities of Our Technical Societies

What Our Organized Scientists and Engineers Are Doing for the Cause

By Calvin W. Rice

Wooden Ships Versus the Submarine

Description of Various Types of Wooden Ships Building for Ourselves and the Allies


Short articles include:
An Interesting Human and Animal Disease Caused by a Fungus
Eat Corn
Use Sodium
The Chinese Puzzle of Aerial Photographs [with illustration]
Why Soldiers Fight with Smoke [with illustration]
An Armored Gasoline Horse for Artillery [article on armored tractor, with illustration]
American Battleships in Europe [the cover color image is associated with this article]
Wanted--Officers for Submarines


By Albert A. Hansen

Extensions in Patent and Trade Mark Cases

By E. B. Marshall

Making War Specialists of Young America

What One Munition Firm is Planning to do After the War, Making a Road for the Fire Engine

The plans of Vickers, Ltd., in Great Britain on their post-war future.

A Patriotic Burglar

Making Soldiers of College Boys, Saving Grain in Threshing


  • Letters

    Correspondence- June 29, 1918

  • Departments

    Inventions New and Interesting- June 29, 1918

  • Recently Patented Inventions- June 29, 1918

  • Index- June 29, 1918

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