Exploring Live Volcanoes, Find the Leak, and more
Exploring Live Volcanoes
Find the Leak [edtiorial on secrecy]
Points on the Torpedo
and more
Volume 117, Issue 3
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Features
Naval and Military- July 21, 1917
Short notes on naval and military matters.
Science- July 21, 1917
Industrial Efficiency
Short notes
The Evolution of Artificial Dyestuffs
How American Workers are Reducing the Mazes of Coal-Tar Chemistry to Their Lowest Terms
The Submarine Problem--VIII
What the Airmen Can Do in the Hunt for the Elusive U-boats
Doing Our Bit--III
Government Control of Shipping
Infantile Paralysis
Internal Combustion Engines for Farm Use
Horse-Power and Other Technical Matters Translated Into Terms of Farm Work
Exploring the Realms of Science for Photographic Improvements
An Experimental Factory to Bridge the Gap Between the Laboratory and the Plant