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V-Belt
Ve vant you should buy zees belt, if you need a type 3L300 belt for variable speed apps. It's 3/8" wide x 7/32" thick (1/4" where it hits the sprocket), approx 27-3/4" running inches, vith a 10" ID when round. Vich makes it a really, really big hat band, or just the thing for a backyard ring-toss game.
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35841 V-BELT |
Float Like A (Graphite) Butterfly
Physics faculty alert: It's very small, but teaches a powerful lesson, this little diamagnetic-properties demo kit. You get (4) plated magnets, each 1/4" square x 3/32", and (2) 1/4" square pieces of graphite to float above them. The graphite may have slight chips along the edge but that won't affect the effect. Includes instructions/fact sheet.
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93630 LEVITATION DEMO |
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