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Just read that a single glass marble can take over 200 precise reheats to get perfectly round
Found that wild fact in a 1970s studio manual from a library in Toledo, and it makes me appreciate every clear orb I see now.
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chen.phoenix5mo ago
That Toledo library find is a real window into old world craft. I saw a video once where a glassblower had to keep turning a gather of hot glass on a punty iron for almost an hour, just to avoid any flat spots. It explains why vintage marbles in antique shops sometimes have those tiny, wavy lines inside the glass, like a fingerprint of all that patient reheating. Makes you see them as little records of lost time, not just toys.
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mia_scott775mo ago
Yeah, that reminds me of a book where they called those lines "ghost heat" from all the reheating cycles.
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emery_hall5mo ago
Wow, that number is crazy to picture. I remember reading an interview with an old glassworker who said the real skill wasn't in the first shape, but in knowing exactly when to put it back in the glory hole for a second. He called it "catching the heat" before the glass set wrong. A tiny mistake in timing meant starting over from a blob. It makes those perfect old marbles seem like tiny miracles.
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