Set of 4 Industrial Bauhaus Black Enamel Pendant Lamps, 1960s

4 industrial black enamel pendant lamps made by elektrosvit in former czechoslovakia in the 1960s. Designed during the 1930s, in the period of bauhaus and produced till 1970s white enamel inside the shade. Cast iron top. New porcelain socket requires e 27/ e 26 lightbulbs. New wire.the weight of the lamp is 4 kg. The diameter of the lamp is 38 cm.