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Any one of the pendulums can be adjusted without disturbing the others. 28cm long clamp consists of a support arm attached to a rod clamp. Thumb screws keep suspended cords secure.NEWTONIAN DEMONST...
Any one of the pendulums can be adjusted without disturbing the others. 28cm long clamp consists of a support arm attached to a rod clamp. Thumb screws keep suspended cords secure.NEWTONIAN DEMONST...