hard to find all original and intact early 20th century antique american industrial no. 588 oversized angled glass x-ray hanging factory pendant reflector designed and fabricated by curtis lighting, inc., chicago, ills. the uniquely-shaped "alex" shade is equipped with an encased reflecting element (i.e., silver nitrate). the exterior surface consists of a patented "armor" gold enameled finish that requires very little maintenance. the rare shade or reflector was designed for factory machine shops, using 300-500 watt lamps. the shade is free from cracks or breaks. the first x-ray reflector was designed in 1897 by the curtis lighting company. the unique reflectors were hand-made from a special grade of glass, free from imperfections such as seeds, bubbles, and discoloration. the reflecting element applied to the outer surface of the glass is pure silver, completely protected by the glass on the inner side of the shade or reflector. the silver "armor" finish is a scientific process that was used in curtis research laboratories to keep "the silver bright." four matching fixtures available. each fixture is priced individually. note: the shade on this fixture has been repaired. difficult to see, but a clean fragment was glued back into place. hardly noticeable, but needs to be disclosed and price is adjusted accordingly.