The motor is spindle mounted and may be clamped by a thumbscrew so that the plane of the table can be set at any angle. Germinating seedlings are pinned to the cork table which is rotated by an electric motor at 5 revolutions per hour, and rated 220-240V, 50-60Hz, 5W. Slow rotation in the vertical or horizontal planes cancel out the effect of gravity and directional light. A Plastic cover is provided for the cork table to shield the seedlings from draughts. Diameter of cork disc is about 100 mm.