Set of 3 space age pendant lights, 1970s

Set of 3 vintage space art lighting fixtures from the 70s. These balls are made of brushed aluminum and are openwork all around. The interior has its original slightly patinated off-white lacquer with some light stains and shades. The cables are originally decorated with a steel cable to support the weight of the globes. E27.1 sockets slight bump on the top of one of 3 but invisible from the bottom. Superb original condition for these 50 year old lighting fixtures. Big size. Diameter 30 cm. Height of the ball 23 cm + the support rod of 5 cm. The height of use is adjustable using the cables.