A glass tube with stopper at both ends. The bottom stopper has a mm graduated capillary tube while the top has two holes one for a glass tube to accommodate plant shoot through a rubber tube and the other for a 2 ml syringe to adjust air bubble during the setting up.
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Potometer, Simple
A glass tube with stopper at both ends. The bottom stopper has a mm graduated capillary tube while the top has two holes one for a glass tube to accommodate plant shoot through a rubber tube and the other for a 2 ml syringe to adjust air bubble during the setting up.
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