RCA Radiotron Tube 1927 Ad.
RCA Radiotron Tube 1927 Ad. This color November, 1927 ad states Reception of the finer broadcasting programs of today may be blurred into a pitiable imitation of the real thing by just one Orphan tube in an otherwise first class radio set. Picture shows Man testing Tubes for length of life at RCA Laboratories. Magazine tear sheet picture is taken through plastic and may show wrinkles or crookedness that is not in the ad. This original magazine tear sheet measures 10 1/4 inches wide by 13 1/2 inches tall.
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