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A Music Box Is Secretly an Engineering Marvel - Gizmodo
Gizmodo | A Music Box Is Secretly an Engineering Marvel Gizmodo You give the handle a few cranks and listen to it plink out a few seconds of Twinkle, Twinkle, Little Star, but if you were to crack open a music box and dig deep into the mechanics of how it works, you'd find some deceptively simple but brilliant ... |
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