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Charles Nicholl

historian

1501

May 12

on Sunday

Extract from a letter from Francesco Malatesta to Isabella d'Este mentioning Leonardo's viewing and valuation of some antique vases formerly owned by the Medici:

I showed them to Leonardo Vinci the painter. He praised all of them but especially the crystal one, because it is all of one piece and very clear.... and Leonardo said that he had never seen a better piece.

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Astronomical Events

The moon was waning crescent that night.

Source: Primary

Charles Nicholl; Nicholl, Charles. "Leonardo da Vinci. Flights of the Mind." E-book, p. 591.

1501

November 9

on Saturday

6 months, 1 day later

Leonardo da Vinci draws out 50 florins from his savings at Santa Maria Nuovo.

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Astronomical Events

The moon was a new moon that night.

Source: Primary

Charles Nicholl; Nicholl, Charles. "Leonardo da Vinci. Flights of the Mind." E-book, p. 591.

1502

1 month, 23 days later

An anecdote from Luca Pacioli's De viribus quantitatis relates an incident with Leonardo da Vinci in his capacity as military engineer on campaign with Cesare Borgia.

One day Cesare Valentino, Duke of Romagna and present Lord of Piombino, found himself and his army at a river which was 24 paces wide, and could find no bridge, nor any material to make one except for a stack of wood all cut to a length of 16 paces. And from this wood, using neither iron nor rope nor any other construction, his noble engineer made a bridge sufficiently strong for the army to pass over.

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Astronomical Events

Source: Primary

Charles Nicholl; Nicholl, Charles. "Leonardo da Vinci. Flights of the Mind." E-book, p. 602.

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