Industrial pendant lamp with glass cover by charles keller for zumtobel, 1990s

This industrial pendant lamp was designed by charles keller for zumtobel staff during the 1990s. It features a cast aluminum top and an aluminium shade with glass cover. New porcelain socket requires e27/ e26 lightbulbs. New wire. The diameter of the shade is 34 cm. The weight ot the lamp is 3, 2 kg. Due to age some scratches can be found on the aluminium shade.