Orientation of Branched Space , 1974 枝界向 ( Shikaikō ) Branch, metal 16 15/16 x 18 7/8 x 1 3/16 inches  43 x 48 x 3 centimeters

Orientation of Branched Space, 1974
枝界向 (Shikaikō)
Branch, metal
16 15/16 x 18 7/8 x 1 3/16 inches
43 x 48 x 3 centimeters