Scientific American April 1944

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$1.98

Chemistry in Industry
Metals in Industry
Reporting The Progress Of Science And Industry
Electronic Control Methods have Increased Reliabilily and Speed in Welding. Bringing Precision Operations to the Assembly Line.

Title: Scientific American April 1944

Series: Scientific American

Item Number: SCIENTIFICAM194404

Shawn Thede - September 14, 2012

★★★★★

Great issue! Ignore all the naysayers.