For demonstration of transpiration rates and rates of water absorption by a cut shoot under various external conditions. Apparatus mounted on bakelite base with PTFE key stopcocks by clips.
Potometer Ganong's with Glass stopcock on bakelite stand.Diameter of reservoir 20 mmCapillary bore 1 mm
Potometer Ganong's with Glass stopcock on bakelite stand.Diameter of reservoir 20 mmCapillary bore 1 mm
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