DetailsFor demonstrating the degree of absorption of thermal radiation as a function of surface colour.
Two aluminium tubes with flat bottom and rim, black and white coated;
dimensions: D= 15 mm, L= 100 mm
2 x C7320-1D Stopper silicone, 12,5/18/27 mm, 1 hole
2 x P2220-1A Thermometer with graduated scale, -10 … +110 °C
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