Hi Student

Here is a description of ganongs potometer:

The Ganong’s potometer comprises of a glass tube bent twice with a glass cylinder have a wide mouth. A capillary tube was inserted in a horizontal glass bar attached to a reservoir. A wide-mouthed glass cylinder is present towards the front end of the apparatus. A rubber cork with a hole is fitted on the mouth of the glass cylinder. A freshly cut twig is placed in this hole. The horizontal bar has graduated readings marked over it. It has a bent end with a nozzle opening. A beaker containing coloured water is placed below this horizontal bar with the bent end inserted into it. A reservoir is connected to the horizontal bar to store water. The entire set up is placed on a flat surface.

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