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Blood Vessels on Demand

Make Small Walkie-Talkie

Permanent Appointments for Draft Advisers on Science

Rifle-Shotgun Developed for Wilderness Downed Men

Nature Ramblings: The Living Fossil

Drugs, Money Might Spread Biological Warfare Germs

Strengthen Cotton by New Cyanide Treatment

Patent Improved Aluminum Electrical Wire Using Boron

Vitamin from Wastes Used to Fatten Pigs

Books of the Week

New Machines and Gadgets

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