AUXANOMETER, ROTATING ORUM TYPE (0047) For recoding the growth of a plant. Plain white paper fastened on the drum with a pencil attached with a thread to the growing tip of the plant, giving magnifications of 5x, 7x and 10x and is mounted on a pillar. The adjustment of pencil pressure is done by a spring. Base size 700 x 200mm !length x widthl. Operates at 220-240V AC, 50Hz. Supplied complete with three core mains cable. Qty :