Emerson Au 190 Cathedral American, circa 1937, marbleised yellow and white case with matching knobs and cloth grille 15.5 cm high x 18.5 cm wide x 15 cm deep. Provenance: Ex lot 1397, 30 August, 2008, Mastro Auctions, Chicago, U.S.A. Literature: See Sideli John Classic Plastic Radios of the 1930s and 1940s New York 1990 pp.46-47 for similar example.