Single Phase Rheostat, Classroom Grade Science at Home_Physical Science Beech wood test tube rack Beech wood test tube rack accommodates 13 tubes up to 25mm diameter in a 10 each with an 8 inch external probe on a 36 inch cord for class wide temperature measurement from 50 to 300°C at ±1°C accuracy 75A single phase rheostat with cover protected constantan winding on a 200x56mm tube and 4mm safety socket terminals with plus or minus 10% nominal value tolerance
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Single-Phase Rheostat, Classroom Grade Science at Home_Physical Science Beech wood test tube rack