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Longer than 7A sticks and smaller than 5B sticks
Excellent for pen and ink sketching
Pan Size: 130mm ø
length: 35cm
good castors and a steel support under every shelf
Potometer Apparatus (on White Stand) (Each) A822496 Longer than 7A sticks andMeasure transpiration rate or humidity with clever demonstration apparatus Minimal glass components reduces risk of breakage Great for studying essential plant physiological process Includes instruction manual Measure transpiration with minimal risk of breakages. The apparatus has only one glass component (capillary tube) which is securely mounted on a strong backing plate and printed with a 0 10cm scale. A cut plant shoot is inserted into an inlet
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