Description

Sealed transparent cylinder 3

5 by 4-inch ventilation apparatus modeling historic mine-gallery airflow and domestic chimney convection through a candle-driven hot-air-rise demonstration

large enough for whole-class visibility when tracing magnetic field lines around bar magnets

preserving the field between teaching sessions

Single-Phase Rheostat, Classroom Grade Lab Supplies_Classroom Sealed transparent cylinder 3Hundred ohm 1. 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.

Exchange/Return Notes

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Final sale items are not eligible for returns or exchanges.
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Single-Phase Rheostat, Classroom Grade Lab Supplies_Classroom Sealed transparent cylinder 3

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