Composite volume: 9 books bound together.
Binding: full binding; material: calfskin. Leather decoration technique on the spine: sprinkling (pseudo-
marbling); the spine is dyed in a darker hue. Tooling: a double fillet along the edges of the cover, a triple fillet
along the spine; repeated impressions of the same tool on the spine; the title is handwritten on a dyed white
background; the upper panel of the spine bears an inscription: Lat.; the second panel of the spine bears an
inscription: Panegyren in Ingres. Su sd Dignitatem.; the fourth panel has an inscription: [Rhet.].
Ownership mark: Towarzystwo przyjaciół nauk w Wilnie [bookplate].
Microchemical and instrumental analysis : pH – 4,9; Ferric chloride test: positive; Vanillin test: positive;
Nitrous acid test: negative; Rhodanine test: positive; Tannin classes: hydrolyzable tannins; ATR-FTIR
spectroscopy: gallotannins.