Standard Rheostat, 135Ω, 1.4A Max Botany_Botany Charts & Models showing how contact friction alone

showing how contact friction alone transmits rotation from one wheel to another in mechanical systems

Visualizes the Venturi effect on an 18-inch backboard

expanding and closing to suit different optical-component sizes on a single bench-mounted holder

Long 1000mm black insulated lead with crocodile clips at both ends

Sliding-top wooden box 4 x 2 x 1 inches

Standard Rheostat, 135Ω, 1.4A Max Botany_Botany Charts & Models showing how contact friction aloneHundred thirty five ohm 1. 4A standard rheostat with constantan winding on a vitreous enameled steel tube, supported on die cast end pieces with a nickel plated phosphor bronze sliding contact.