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Scientific American 1912-03-23
771/1099
Regulation of Radiotelegraphy. Wireless room of the U. S. revenue cutter Gresham, life-saver of the rocky New England coast. She depends on her wireless apparatus to keep informed of the location of wrecks, and her urgent dispatches have at times been delayed for hours by the working of amateur stations.
Source: Steve Kirch, collector, and creator of a great website about SCIENTIFIC AMERICAN in the past
Restoration by: magscanner
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