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Home-made Harmonograph

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Cycloid Drawing Machine: Center Gear Setup

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harmonograph

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Modern Talking,sandra, Michael Jackson, ABBA,C C Catch, Bad Boys Blue🤍Legends Golden Eurodisco

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TRT Radyo Türküleri 2. Bölüm 2 saat

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Enigma Makinesi nasıl çalışıyordu?

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Joe Freedman's Amazing Cycloid Drawing Machine

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Drawing Machine 1