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Science and Invention and Radio News -1922A

Science and Invention and Radio News -1922A.jpg Radio News 1936-11ThumbnailsRadio News 1936-11ThumbnailsRadio News 1936-11ThumbnailsRadio News 1936-11ThumbnailsRadio News 1936-11Thumbnails

This ad for both magazines was on the back of the Experimenter's Guide #2, for Radio-Phone Receivers. Both issues shown are July, 1922 issues, and this ad probably appeared a couple of months past July.