Description
paired against copper and aluminum to teach the wide range of thermal-conductivity values among common metals
Reproduces Ewald von Kleist's 1745 charge-storage device with concentric metal cups around a plastic dielectric
point discharger
sized for finer-gauge resistance demonstrations and small-scale heating elements where the heavier gauges would over-deliver current
two movable bridges
pH 1-11 Indicator Paper Dispenser Handle Type_Twisted Wire paired against copper and aluminumDispenser feeds pH 1 11 indicator strips one at a time for quick bench top pH testing without cross contaminating the stock supply.
Exchange/Return Notes
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