Città del Vaticano, Biblioteca Apostolica Vaticana, Vat.lat.4827 Century 15 Precise date 1470 Method of Dating w Language Latin Subject 1 Mathematik Material chart. Format 4 | f Height × width 285-7 x 202 No. of leaves 70 Numbering ff. ant. 3-72 and 1-8, 33-40, 9-32, 41-70 at upper center Gatherings <a-f>^8 <g>^10 <h>^12 Watermarks <a, h> similar Briquet 4412 (1465-77); <b-d> like 3668 (1487); <e-g> = Briquet 5910 (1469-74). Cover antique red leather cover stamped with papal arms; No. of hands 1 Type of writing a very neat corsiva cancellaresca No. of columns 1 col. Width of columns <a-d> press-ruled 185 x 122 mm.; <e-h> lead-ruled 180-7 x 120 mm. Lineation <a-d> 33 press-ruled lines, text on first; <e-h> 30-33 lines starting on top rule; Ink brown Decorations tables on 46v-47r and 69r-v; geometrical diagrams and calculations in margins of 3r-24r; calendar circle in red on 46r; Printed catalogs Biblioteca Apostolica Vaticana, Sala. Cons. Mss.305 (ET. ROSS A) p.369 | Van Egmond, W.: Practical Mathematics in the Italian Renaissance, Florenz, 1980, S.224/225; Publ. descriptions Verzeichnis Van Egmond; Source Biblioteca Apostolica Vaticana, Sala. Cons. Mss.305 (ET. ROSS A) p.369 | Katalog Folkerts Type of source cat. | cat.(ms.) Work 1Title (ms.) Tractatus Geometrie, et plura etiam Arithmeticae Title (standard) Tratato della Regola | Tratato delle regola Contents Geometry, "delle radici (22v), "tratato dell'arcebra (32v), calendar (46r), miscellaneous problems (47v) incl. calendar (62r-v, 68v-69v) and tariff (70r); Incipit Prima ti amaestrare di tre differencie che sono nel tondo e difinire ciasquna per se | Prima ti voglio Additional remarks Anonymus Folio no. 1-68 | 3r-72v Explicit quante volte puoi erestore fara 20 chome si pose; ed e fatta Additional copies ff. 22v-46r based on Aliabraa argibra, Ash 1199 et al. Work 2Title (ms.) Valor Margaritarum Incipit Appresso saranno Folio no. 68 Work 3Title (ms.) Valor monetarum Siciliae, Neapolis, et Venetiarum Incipit Appresso faremo ricordo Folio no. 68-70
