…world’s first commercial radio station, KDKA, began broadcasting in Pittsburgh in 1920.
Hop Harrigan is an American old-time radio juvenile adventure program. It was broadcast on ABC from August 31, 1942, until August 2, 1946, and on Mutual from October 2, 1946, until February 6, 1948. General Foods began sponsoring the program on October 2, 1944; it had previously been unsponsored.
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Jungle Jim 36-07-11 037 The Purple Triangle
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