21ST CENTURY NEW YORK BALANCE
Price - $91.55
7-145121st Century Balance A new version of this classic teaching tool! What makes this unit so special is an internal sliding weight mechanism that allows you to neutralize all factors after the fulcrum and positions of force have been established. Demonstrates levers, momentums, and the principles of mass measurement more accurately than previous versions of this balance. (20" x 8"x 1-1/2"; 5lbs).
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