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| Newtonian Demonstrator Item number NWDM01. Regularly stocked item. Usually ships within 3 to 5 business days. United Scientific |
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Excellent for illustrating Newton's Third Law of Motion and the principle of Conservation of Momentum. The five polished metal balls with thin bifilar suspensions on a unique support design provide for better results and stability. Shipping weight: 1.5 lbs. |
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