This Manuscript is a collection of technical recipes, divided into 73 chapters:
Chapter I: melting of crystal
Chapter II and L: shape and construction of the oven
Chapter III: preparation of glas
Chapters IV-XIII: treatment of diffenrent Gemstone, like sapphire, zircon, garnet, topaz, ruby, emerald, diamond and pearls as well
Chapter XIV: test for counterfeit gemstones
Chapter XV: fabrication of Venetian imitations
Chapters XVI-XVII: heating of stones and glas
Chapters XVIII, XIX, XLVII: glue for glas or shattered stones
Chapters XX-XXXII: cut, polishing and perforation of stones
Chapters XXXIII-XLIV, XLVIII and LI: gilding, enamel and painting on glas
Chapter XLV: lead mirrors
Chapter XLIX: unbreakable glas
Chapters LII-LIV: lime, ivory and bone
Chapters LV-LXXIII: pigment recipes, several for blue