✅The whole apparatus is filled with water and a plant shoot is sealed into a stopper which fits the end tube.
✅The open end of the capillary tube, which is graduated in millimeters, is placed into a beaker of water.
✅An air bubble is generator by dipping the graduated tube out of and back into a beaker of water.
✅The air bubble can be made more visually obvious using coloured water.
✅Apparatus is mounted on a wooden base by clips.
✅This tool can be used as a teaching aid in schools for biological lessons.
✅If you need custom order with different sizes/design please contact us.
✅Safely Packaged to avoid being damaged during transportation. If received broken please provide the image to receive instant refund.
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