group of three original c. 1920's vintage industrial cobalt blue porcelain enameled "deep bowl" profile angled reflectors. fabricated by the wheeler reflector co., boston, mass. the bulbous rolled rim single electric light reflectors are comprised of cold-rolled heavy gauge steel. white reflective undersides largely intact. large openings for socket housings. priced for the lot of three. a total of six matching shades are available.