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Jordanus


Città del Vaticano, Biblioteca Apostolica Vaticana, Vat.lat.4826

Century 15
Precise date 1450
Method of Dating w
Language Italian | Latin
Subject 1 Mathematik
Material chart.
Format 4 | f pet.
Height × width 286 x 203
No. of leaves 59 | 72
Numbering ff. orig. 1-59, 59-66, 69-73
Gatherings <a>^12 <b>^14 <c-e>^12 <f>^10
Watermarks <a-e> like Briquet 11702 (1440); <f> = Briquet 5905 (1450-4)
Cover ant. red leather cover stamped with papal arms
No. of hands 1
Type of writing a neat semi-cursive Gothic
No. of columns 1 col.
Width of columns press-ruled 194-205 x 118 mm.
Lineation 32 regularly-spaced lines
Ink dark brown ink
Initials etc. alternating red and blue initials, some decorated; | capitals shaded in yellow on 1r, 33v-41r, lined in red on 41v-42r; some titles in red.
Decorations Tables on 2v, 3r, 4v-14v outlined in red; many coloured diagrams and drawings in the margins.
Printed catalogs Biblioteca Apostolica Vaticana, Sala. Cons. Mss.305 (ET. ROSS A) p.369 | Kristeller P. O.: Iter italicum II, S.330 | 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 1Author (ms.) Iacobus de Florentia
Author standard Jac. de Florentia | Jacobus de Florentia | Jacopo da Firenze
Title (ms.) Algorismus, in quo de supputationibus Arithmeticis Mercatorum, et Geometricis Tractatus de monetis earumque valore
Title (standard) Algorismus, volg. | algorismus, volg. | Tractatus Algorismi
Contents Introduction, "de numeri rocti" (15r), "alcune ragioni" (17r), "de mesure" (30r), algebra (36v), "de leghe de monete" (45v), miscellaneous problems (50v).
Incipit Conciosia cosa che | Conciossia cosa che tucte quelle cose che la humana generatione de questo secolo sanno et possono sapere ...
Publ. descriptions Karpinski, Louis C.: The Italian Arithmetic and Algebra of Master Jacob of Florence, Archeion 11, 1929, S.170-177;
Facsimiles of 1v-2r in Karpinski, Louis C.: The Italian Arithmetic and Algebra of Master Jacob of Florence, Archeion 11, 1929, between pages 176 and 177;
Folio no. 1-59 | 1r-59v
Prolog Incipit tractatus algorismi. Huius autem artis novem sunt speties, silicet numeratio, addictio, subtractio, duplatio, multiplicatio, divixio, progrexio, et radicum extractio, conpilatus a magistro Iacobo de Florentia apud montem Phesulanum anno domini m^occc^ovii^o in mensis septenbris.
Explicit multipricha per 5 fa 25 et sta bene; et cosi se fanno le simigliante r<agione>.
Other passages f.73v dated 1497
Additional texts f.59'r: Canzone (in a later hand); inc.: Io piagno el mio tormento el tempo perso/ ... f.60r: Three notes in later hands; inc.: Recordo per trovare la pacta ... Per fare aqua o vino contra magnatti ... Deus qui beato patritio confessori tuo potentiae ...
Scribbles 59'v, 62v, 63r, 71v, 72r, 73r-v: miscellaneous scratch notes
Blank leaves 60v, 61r, 61v, 62r, 63v, 64r-71r, 72v
Additional copies Ricc. 2236, Trivulziana 90;