{"collection":"aor","html_url":"https://unchartedknowledge.5gfusion.net/browse/aor/dv/0642.htm","path":"aor/dv/0642.htm","source_url":"https://sacred-texts.com/aor/dv/0642.htm","text":"The Da Vinci Notebooks\nNitre, vitriol, cinnabar, alum, salt ammoniac, sublimated mercury, rock salt, alcali salt, common salt, rock alum, alum schist (?), arsenic, sublimate, realgar, tartar, orpiment, verdegris.","title":"Vol. I: IX. The Practice of Painting: 642.","type":"page"}