Project icon: lavishly furnished initial letter with a painting of Ptolemy using an astrolab.


Arabus et Latinus

_ (the underscore) is the placeholder for exactly one character.
% (the percent sign) is the placeholder for no, one or more than one character.

At the beginning and at the end, these placeholders are superfluous.

Bologna, Biblioteca Universitaria, 198 (293)

s. XV2.




Ercole Bottrigari (f. 1r and 3r: ‘Ex bibliotheca Herculei Bottrigarii’).

Paper, 128 f., a single neat hand.

Ptolemaica (single text). Title added by another hand f. 1r: ‘Ioannis Bianchini Tractatus decem arithmetici, algebraici, geometrici, astronomici’. Blank: 1v-2v, 21-22, 126-128.


L. Frati, Indichi dei codici latini conservati nella R. Biblioteca Universitaria di Bologna, Firenze, 1909, 190; L. Thorndike, ‘Giovanni Bianchini in Italian Manuscripts’, Scripta Mathematica 19 (1953), 5-17: 11-13.


‘Tractatus primus de arismetrica per Ioannem de Blanchinis. Liber primus. Incipit proemium. <A>rismetrica dico quod determinatur per numeros, et duas noto diffinitiones numerorum — et si excesserit minuta 50 erit grisium cum albedine.’

= Giovanni Bianchini, Flores Almagesti (C.1.16)

. I, 3r-15v; II, 16r-20v; III, 23r-32v; IV, 32v-36v; V, 37r-56v; VI, 57r-72v; VII, 73r-102r; VIII, 102r-109v; IX, 110r-120r; X, 120r-125v. Corrections and marginal notes by the scribe.