Pendulum Clamp, 1 Each

The Pendulum Clamp by United Scientific is a durable clamp that holds up to three separate pendulums from one support rod. Individual cord clamps are included so each pendulum length can be set independently, and an adjustment knob fits an assortment of support rods. Physics teachers use it for side-by-side period comparisons of cord length and bob mass. Support rod, balls and cord are sold separately.