For demonstration of geotropism and phototropism. Comprises a cork disc 100mm dia. with fitting to accommodate 19mm specimen tube to which germinating seedlings are pinned. Driven by a 3 w motor, 4 revolutions per hour clockwise rotation. Spindle mounted motor can be clamped by a thumb screw so that the plane of the table can be set at any angle between horizontal and vertical. On stable heavy base. With a plastic cover for the cork table to shield the seedlings. Overall height 300 mm. With 1.5 m three core cable to use on 220 V 50 Hz AC.
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Ram Nagar, Ambala, Haryana