Ripple Tank for Overhead Projector

Ripple Tank for Overhead Projector Heavy Plexiglas Construction. For use with an overhead projector or on a table top. Great for observing propagation, reflection, interference and diffraction of waves. Comes complete with Electronically Controlled Vibrator, Water Tank, 4 Baffles and one Wave Stopper. Unit 14 inch L x 11 inch W x 1 inch D. Water Tank 11 inch L x 11 inch W x 1 inch D.