Tube Carrier
Catalogue No. 4012470
An additional attachment to Clinostat to hold upto 15 tubes for experiments in geotropism, with germinating seedlings. The tube carrier comes in 190mm diameter with 20mm clip dia.
An additional attachment to Clinostat to hold upto 15 tubes for experiments in geotropism, with germinating seedlings. The tube carrier comes in 190mm diameter with 20mm clip dia.
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For demonstration of heliotropism and geotropism. 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. 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. 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 100mm.
SKU: 4012450 -
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Combination Dark Germination Chamber
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For experiments in phototropism with seedlings. Three-chambered case of wood with to accept a variety of shutters. The right-hand chamber has windows in the top and back end, when used with a clear front window, acts as a control chamber. Supplied with opaque shutter, a slot shutter to admit light from one direction only, the clear windows for the control chamber, one orange and one blue filter to show the effect of excluding various parts of the spectrum. Complete with three glass containers for seedlings. Dimensions overall 180 × 530 × 180mm approx. (height × width × depth).
SKU: 4012600 -
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Potometer
Catalogue No. 4011960
Use to measure transpiration, without breakage. Only one glass component (the capillary tube) and is mounted on strong backing plate. It consists of a capillary tube with millimetre scale connected via three way tap to a syringe. The cut shoot is connected to the third outlet. It can also be used to measure humidity by connecting a porous pot to the third outlet.
SKU: 4011960
