Office lamp, Germany 1930s, Schaco. The work light is in very good condition for its age, completely restored, the original rotary switch on the dome was replaced by a cord switch. Schaco stands for G. Schanzenbach & Co from Frankfurt/Main. The electrical system was professionally replaced, the light works and is safe! An E27 socket. 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.