Sculpture comprising eight flattened glass tubes standing vertically on a rectangular slate base, each tube made of coloured glass encased in clear glass, from left to right black, black with a flat applied blue stripe, blue, black with a raised applied turquoise stripe, turquoise with a raised applied red stripe, turquoise, grey, black. Each tube held in position by a pair of rubber-coated metal rods that stand in holes drilled into the slate base. Assembly instructions in inventory and conservation files.