One-Meter Two-Wire Potentiometer on Metal Base Lab Equipment_Centrifuges sized so that students can

sized so that students can compare its uniform-curvature surface charge against sphere and cone partners in the conductor set

Glass-faced plotting compass in an aluminum case with a dial marked in principal points

gripping cylindrical items from 15 to 60 mm alongside an integrated boss head for retort rods

Four-point-five-ohm 9A standard rheostat with constantan winding on a vitreous-enameled steel tube

interference - within reach of an introductory wave-mechanics curriculum

One-Meter Two-Wire Potentiometer on Metal Base Lab Equipment_Centrifuges sized so that students canUsed to compare EMFs and measure internal resistance by the null deflection method, this two wire potentiometer mounts on a metal base for stability during extended laboratory measurements.