[Calculate] the measurement of Milan and Suburbs 8
[Find] a book that treats of Milan and its churches, which is to be had at the stationer’s on the way to Cordusio 6
[Discover] the measurement of Corte Vecchio (the courtyard in the duke’s palace). 3
[Discover] the measurement of the castello (the duke’s palace itself) 5
Get the master of arithmetic to show you how to square a triangle. 2
Get Messer Fazio (a professor of medicine and law in Pavia) to show you about proportion. 3
Get the Brera Friar (at the Benedictine Monastery to Milan) to show you De Ponderibus (a medieval text on mechanics) 1
[Talk to] Giannino, the Bombardier, re. the means by which the tower of Ferrara is walled without loopholes (no one really knows what Da Vinci meant by this) 4
Ask Benedetto Potinari (A Florentine Merchant) by what means they go on ice in Flanders 1
Draw Milan 10
Ask Maestro Antonio how mortars are positioned on bastions by day or night. 5
[Examine] the Crossbow of Mastro Giannetto 7
Find a master of hydraulics and get him to tell you how to repair a lock, canal and mill in the Lombard manner 3
[Ask about] the measurement of the sun promised me by Maestro Giovanni Francese 2
Try to get Vitolone (the medieval author of a text on optics), which is in the Library at Pavia, which deals with the mathematic. 3
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Draw milan...
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