Meditations-Spirale (Kinetisches Objekt). 1973. Brass, chrome.plated, with electric engine. Honisch 158. Mack 98. Signed on the base. From a planned edition of 500 copies. 110 cm (43.3 in). Base: 5 x 25 x 25 cm ( 1,7 x 9,8 x 9,8 in). Released by Edition Objekt-Art Niepel & Hunecke, Düsseldorf. The multiple was made from a model for a 8.5 meter tall light sculpture intended for mounting at Bochum University. According to Honisch, from a planned edition of 500 copies only 12 were actually realized. Fully functioning.