One now appears at the Tate Gallery; the second can be found at the German Telephone Museum in Frankfurt; the third belongs to the Edward James Foundation; and the fourth is at the National Gallery of Australia.
Obe stvaritvi je Dalíju naročil njegov škotski patron Edward James, ekscentrik, ki je podedoval ogromno angleško posestvo, ko mu je bilo pet let in je bil eden glavnih podpornikov nadrealistov v 30. letih 20. stoletja.