Wave Apparatus Demo - Metal, Consisting of a number of eccentric disc supporting a series of metal rods on revolving the handle. For demonstrating longitudinal and transverse motion.
Drilled Ball Set, 1inch Diameter, set of 12, erfect for conducting own pendulum experiments, 3mm hole is drilled down the center of each ball, Comes in a plastic container with foam padding to hold the drilled balls firmly in place
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