Vintage german 591 K40 pendant by Kandem in glass and metal

Kandem hanging lamp, model 591 K40, designed by Kandem in 1924 and made until 1933. The largest part of the light of this lamp goes to the top and is reflected by the wall and the ceiling. In the lamp is a normal E27 bulp holder, 200 W max. Material: the chain and the frame are copper-brown galvanized. The chalice is of matt clear glass and opal (white) glass. Marked: Kandem. Height: 147 cm.