US$ 54.50
Reproduces Ewald von Kleist's 1745 charge-storage device with concentric metal cups around a plastic dielectric
portable enough for mobile demonstrations of current-driven magnetic field strength
consistent rotation in force and motion experiments
Features white enamel graduations every 50mL
Standard Rheostat, 300Ω, 0.9A Max Biology_Microscopy Reproduces Ewald von Kleist's 1745Standard 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$ 54.50
US$ 185.00
US$ 102.00
US$ 229.50