This is indeed true, and Bret Devereaux has written about it extensively on ACOUP: https://acoup.blog/2020/09/25/collections-iron-how-did-they-make-it-part-ii-t

This is indeed true, and Bret Devereaux has written about it extensively on ACOUP: https://acoup.blog/2020/09/25/collections-iron-how-did-they-make-it-part-ii-trees-for-blooms/ https://acoup.blog/2020/09/25/collections-iron-how-did-they-...