Sewing machines are mechanical marvels – here’s how they work

cfabbro
2023-11-23T20:11:28Z

Link URL: https://www.youtube.com/watch?v=RQYuyHNLPTQ

Comments URL: https://tildes.net/~engineering/1cd5/sewing_machines_are_mechanical_marvels_heres_how_they_work

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