Secrets concerning arts and trades
Book and scans of a calcedony recipe (p. 73) and recipes XXX-XXXI to soften crystal Displayed in the exhibition titled "The Science of Glassmaking : 8 Centuries of a Magical Art", held at the Rakow Research Library, June 27, 2008-January 4, 2009.
chap. 5. Secrets relative to the art of glass manufactory, and the making compositions to imitate precious stones, commonly known, in this country, by the name of French paste --
chap. 6, [pt.] 7. For painting on glass --