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POTOMETER GANONG ON WOODEN BASE
CODE: AA-P0040
FEATURES:
For demonstration of transpiration rates and rates of water absorption by a cut shoot under various external conditons.
A plan shoot is sealed intoa stopper which fits the end tube and the whole apparatus is filled with water, the open end of the capillary tube which is graduated in millimeters, dipping into a beaker of water.
The position of the air bubble may easily be adjusted by opening the glass of stopcock to admit water from the central reservoir.
