US$ 11.90
consistent rotation in force and motion experiments
Reproduces Ewald von Kleist's 1745 charge-storage device with concentric metal cups around a plastic dielectric
Mounted on a precision base
portable enough for mobile demonstrations of current-driven magnetic field strength
Standard Rheostat, 300Ω, 0.9A Max Biology_Microscopy consistent rotation in force andStandard rheostat at 300 ohms and 0. 9A with oxidized constantan winding on a vitreous enameled steel tube and a phosphor bronze sliding contact, with two 4mm terminal posts.
US$ 11.90
US$ 19.95
US$ 13.90
US$ 22.95
US$ 12.90
US$ 11.90
US$ 24.95
US$ 24.95
US$ 22.95
US$ 29.90
US$ 13.90
US$ 22.95
US$ 19.95
US$ 22.95
US$ 14.90