Wooden Resistance Board Lab Equipment_Centrifuges Six replacement gold leaves cut

Six replacement gold leaves cut to fit the standard gold-leaf electroscope

exposing the rotating coil and field magnet for direct observation as students supply 4-9V to drive the rotation

this 75mm metal-framed apparatus demonstrates thin-film interference and the wave nature of light

Twelve-slot natural wood buret rack organizes vertical buret storage and simultaneous titration setup in chemistry and analytical laboratory classrooms

Hard vulcanized ebonite rod that takes on a strong negative charge when rubbed with fur

Wooden Resistance Board Lab Equipment_Centrifuges Six replacement gold leaves cutPolished wood board with three constantan wires (1 0. 7 0. 5mm) and two copper wires (0. 7 0. 35mm) tensioned across 1m, with 4mm sockets at each end for resistivity comparison.