dei predicatori che fu anche bibliotecario della Medicea pubblica in
San Marco_ (See _Indagini Storiche ... per cura di_ G. D'A. _Parte
I, p. 97)._]

1508.

How this proposition of Xenophon is false.

If you take away unequal quantities from unequal quantities, but in
the same proportion, &c. [Footnote: Xenophon's works were published
several times during Leonardo's lifetime.]

Inventories and accounts (1509--1545).

1509.

On the 28th day of April I received from the Marchesino 103 lire and
12 dinari. [Footnote: Instead of the indication of the year there is
a blank space after _d'aprile_.--Marchesino Stange was one of
Lodovico il Moro's officials.--Compare No. 1388.]

1510.

On the 10th day of July 1492 in 135
Rhenish florins 1. 445
in dinari of 6 soldi 1. 112 S 16
in dinari of 5 1/2 soldi 1. 29 S 13
9 in gold and 3 scudi 1. 53
-----------------------------
1. 811 in all

1511.

On the first day of February, lire 1200.

1512.

The hall towards the court is 126 paces long and 27 braccia wide.

1513.

The narrow cornice above the hall lire 30.

The cornice beneath that, being one for each picture, lire 7, and
for the cost of blue, gold, white, plaster, indigo and glue 3 lire;
time 3 days.

The pictures below these mouldings with their pilasters, 12 lire
each.

I calculate the cost for smalt, blue and gold and other colours at 1
1/2 lire.

The days I calculate at 3, for the invention of the composition,
pilasters and other things.

1514.

Item for each vault 7 lire

outlay for blue and gold 3 1/2

time, 4 days

for the windows 1 1/2

The cornice below the windows 16 soldi per braccio

item for 24 pictures of Roman history 14 lire each

The philosophers 10 lire

the pilasters, one ounce of blue 10 soldi

for gold 15 soldi

Total 2 and 1/2 lire.

1515.

The cornice above lire 30

The cornice below lire 7

The compositions, one with another lire 13

1516.

Salai, 6 lire ... 4 soldi ... 10 soldi for a chain;--

On the l4th of March I had 13 lire S. 4; 16 lire remain.

1517.

How many braccia high is the level of the walls?--

123 braccia

How large is the hall?



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