late 1930's american industrial heavy duty green porcelain enameled angled type "silv-a-king" reflector or shade designed and fabricated by the bright light reflector co., bridgeport, ct. the medium-sized reflector is comprised of cold-rolled heavy gauge steel with green porcelain enameled finish. the replacement shade was found in an old chicago service station. likely used for illuminating a large outdoor signboard. interior white reflective finish intact. diameter 8" x height 5-1/2".