The folio is titled ‘Zero Energy Experimental Pile’, Volume 1. It is a complete set of six screen prints in colours on astrolux paper, laminated to clear acrylic. They are housed in a large Folio which includes a signed justification sheet. Each screen print is signed and dated in black felt tip pen. This set is number 47 of 100 copies. Published by Petersburg Press, 1970 .The sheets are loose as issued, in the original silver solander box with title screen printed in black to upper panel. The box has a few light marks and scuffs, there is slight creasing to a few of the foam guards, otherwise in very good condition. It is very large and heavy.
Size 85 x 58cm (32 x 23 inches); 5 cm (2inches) width/deep.