This high quality set of 12 drilled balls is great for conducting all of your pendulum experiments. Each set contains 2 each of brass, aluminum, steel, wood, cork, and copper balls. A 3mm hole is drilled through the center of each ball. Every set comes in a convenient plastic storage case, with a foam bottom that holds each ball firmly in place. Each drilled ball is also available individually. Please call for details.
A comprehensive physics set with 12 balls in all, includes 25mm diameter drilled balls of brass, aluminum, wood, steel, copper and lead; two 25mm solid steel balls, one plain and one with bifilar suspension lugs; 38 mm balls of brass, steel and lead with hooks; and one 25mm solid cork ball. Packed in plastic storage box. Set of 12.
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