Pair of 'Spiral / Spring' wall lights in chromed steel, Space Age ca 1970

Set of 2 'spiral / spring' wall lights in chromed steel, space age style, same series, different models that go perfectly together, circa 1970. Perfect condition, electricity ok, e14 sockets (standard screw-in model that can accommodate e14 led bulbs). Changing the bulbs is made easier by opening sliding elements on the front (see photo).