Space Age 60s folding coffee table

Superb space age lounge table. Original design from the 60s. Double tempered glass tops. Wooden base covered with black polymer, chrome arm. Simple and clever system of the deployment of the table by rotation of the legs and glass trays. The drive is done by a set of sprockets and chain. Synchronized mechanical movement of both feet, effortlessly. Some traces on the black tray serving as a base and splinters on the arms black part visible in the photos. Diameter of the first tray 70 & height 50 cm, second tray 54 & height 48. Fully extended length 106 cm. Table 40 kg approximately. Rare table in this color more frequent in white. See the photos.