one of several matching all original and hard to find patented early 1940's american industrial white porcelain enameled uniquely-shaped industrial cold-rolled steel reflectors fabricated by the goodrich electric company, chicago, il. the "lampshade," designed to direct light downward, was patented by dirk g. saaf in 1931. this type of reflector was often used in libraries and stockrooms containing narrow aisles with flanking shelving units. several intact and functional reflectors were salvaged from a standard oil company of indiana factory building prior to demolition. the porcelain enameled finish remains in good condition, with some sporadic surface rust evident along the edges. each industrial light reflector contains the original steel pipe or stem and pivoting or swivel-joint ceiling canopy. complete industrial pendants priced individually. the original patent number is "stamped" on each exterior shade. the reflective undersides are comprised of the same finish. shade measures 10 1/4 x 8 3/4 inches. base measures 18 inches.