Potometer, Thoday’s

Provided in a glass tube with a diameter of 15 mm, featuring a side arm leading to a thistle funnel embedded in rubber tubing. Both ends of the glass tube are tapered and bent at right angles. One end is designed to accommodate the plant stem, while the other end is connected to a capillary tube with a milimeter scale. This entire set up is mounted on an L-shaped stand for stability and ease of use.