The second hand on a clock rotates at exactly 1 RPM. Submitted by elyersio on July 16, 2018 at 6:05 PM in UselessThoughts (edited on July 17, 2018 at 12:16 PM) 3 comments 5
mofongo wrote on July 17, 2020 at 11:49 AM Reply to comment by Glaggsy in The second hand on a clock rotates at exactly 1 RPM. by elyersio That looks nice, but it's quite expensive. Permalink Parent 3
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