There's this ancient Roman story about unbreakable glass in Petronius' Satyricon: https://www.ancient-origins.net/artifacts-ancient-technology/unbreakable-stor

There's this ancient Roman story about unbreakable glass in Petronius' Satyricon: https://www.ancient-origins.net/artifacts-ancient-technology/unbreakable-story-lost-roman-invention-flexible-glass-009453 https://www.ancient-origins.net/artifacts-ancient-technology...