Wave Apparatus Plastic, 18 Pulleys

Product Description

For demonstrating the movement of progressive transverse and longitudinal waves. Comprises a number of circular discs mounted equidistant from each others on a horizontal shaft in gradually varying degrees of eccentricity, with each disc having a vertical rod of same length supported on top and sliding up and down into a pair of guides. Complete assembly mounted on a wooden base. Completely made of plastic with basic design and functionality. The plastic highlighted tips provide easy observation of wave motion.