Jessica Rosenkrantz on Nostr: Fascinating piece on nprofile1q…72g36 on the *fancy* turning machines of the 1800s ...Fascinating piece on nprofile1qy2hwumn8ghj7un9d3shjtnddaehgu3wwp6kyqpqsyzz0svexwf78hfs26slkp2ya8snpydsd6s9da9l3gnxjm7straqq72g36 (nprofile…2g36) on the *fancy* turning machines of the 1800s and how they were used to make Spirograph like patterns in metal https://publicdomainreview.org/collection/fancy-turning/