Industrial adjustable table lamp made by Siemens in Germany during the 1950s.It features grey enamel shade with white enamel interior, a cast iron clamp base and iron gooseneck. The original socket with switch requires E 27/ E 26 light bulbs.New wire.The diameter of the shade is 15 cm. This piece has an attribution mark, I am sure that it is completely authentic and take full responsibility for any authenticity issues arising from misattribution, European Plug (up to 250V).The wiring of this item may be original and might need replacement, if not specified otherwise.