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Exploring Live Volcanoes, Find the Leak, and more

Exploring Live Volcanoes
Find the Leak [edtiorial on secrecy]
Points on the Torpedo
and more

Science- July 21, 1917

Naval and Military- July 21, 1917

Short notes on naval and military matters.

Industrial Efficiency

Short notes

The Evolution of Artificial Dyestuffs

How American Workers are Reducing the Mazes of Coal-Tar Chemistry to Their Lowest Terms

By Thomas H. Norton

The Submarine Problem--VIII

What the Airmen Can Do in the Hunt for the Elusive U-boats

Infantile Paralysis

By John B. Huber

Doing Our Bit--III

Government Control of Shipping

Internal Combustion Engines for Farm Use

Horse-Power and Other Technical Matters Translated Into Terms of Farm Work

By Victor W. Page

Exploring the Realms of Science for Photographic Improvements

An Experimental Factory to Bridge the Gap Between the Laboratory and the Plant

Mechanical Operations of Color Manufacture, The Evolution of H-acid, and more


  • Letters

    Correspondence- July 21, 1917

  • Departments

    The Motor-Driven Commercial Vehicle- July 21, 1917

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