Van de graff generator
We offer Van de graff generator with all acessories,motor driven as well as manual also.
A device to investigate the resonance of air columns and
determine the velocity of sound in air. This complete unit includes a 100 cm long plastic tube, a movable aluminum reservoir attached by rubber tubing to the bottom of the resonance tube, a triangular support and two tube clamps.
40 x 10 x 10".