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Sylvania 21C609
(click on picture for high resolution image) This set uses the RCA CTC-4 chassis. It is the only one known to exist today, and must have been made in very small quantities. Hallicrafters, Magnavox, DuMont and Stromberg-Carlson also used the CTC-4 chassis in their early 21 inch models. Click for a schematic diagram. (Click on pictures for high resolution images)
Brochure courtesy of Wayne Bretl
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