Try to get Vitolone, which is in the library at Pavia [Footnote 26:  Vitolone see No. 1506, note.

Libreria di Pavia.  One of the most famous of Italian libraries.  After the victory of Novara in April 1500, Louis XII had it conveyed to France, ’come trofeo di vittoria’!] and which treats of Mathematics,—­He had a master [learned] in waterworks and get him to explain the repairs and the costs, and a lock and a canal and a mill in the Lombard fashion.

A grandson of Gian Angelo’s, the painter has a book on water which was his fathers.

Paolino Scarpellino, called Assiolo has great knowledge of water works.

[Footnote 12:  Sco Lorenzo.  A church at Milan, see pp. 39, 40 and 50.]

[Footnote 13. 24:  Gruppi.  See Vol.  I p. 355, No. 600, note 9.]

[Footnote 16:  The Portinari were one of the great merchant-families of Florence.]

1449.

Francesco d’Antonio at Florence.

1450.

Giuliano Condi[1],—­Tomaso Ridolfi,—­ Tomaso Paganelli,—­Nicolo del
Nero,—­Simone Zasti,—­Nasi,—­the heir of Lionardo Manelli,
—­Guglielmo di Ser Martino,—­Bartolomeo del Tovaglia,—­Andrea
Arrigucci,—­ Nicolo Capponi,—­Giovanni Portinari.

[Footnote:  I. Guiliano Gondi.  Ser Piero da Vinci, Leonardo’s father, lived till 1480, in a house belonging to Giuliano Gondi.  In 1498 this was pulled down to make room for the fine Palazzo built on the Piazza San Firenze by Giuliano di San Gallo, which still exists.  In the Riassunto del Catasto di Ser Piero da Vinci, 1480, Leonardo is not mentioned; it is evident therefore that he was living elsewhere.  It may be noticed incidentally that in the Catasto di Giuliano Gondi of the same year the following mention is made of his four eldest sons: 

Lionardo mio figliuolo d’eta d’anni 29, non fa nulla, Giovambatista d’eta d’anni 28 in Ghostantinopoli, Billichozo d’eta d’anni 24 a Napoli, Simone d’eta d’anni 23 in Ungheria.

He himself was a merchant of gold filigree (facciamo lavorare una bottegha d’arte di seta ... facciamo un pocho di trafico a Napoli}.  As he was 59 years old in 1480, he certainly would not have been alive at the time of Leonardo’s death.  But Leonardo must have been on intimate terms with the family till the end of his life, for in a letter dated June 1. 1519, in which Fr. Melzi, writing from Amboise, announces Leonardo’s death to Giuliano da Vinci at Florence (see p. 284), he says at the end “Datemene risposta per i Gondi” (see UZIELLI, Ricerche, passim).

Most of the other names on the list are those of well-known Florentine families.]

1451.

Pandolfino.

1452.

Vespuccio will give me a book of Geometry.

[Footnote:  See No. 844, note, p. 130.]

1453.

Marcantonio Colonna at Santi Apostoli.