Memorandum: Stefano Caponi has Euclid's 'De ponderibus'
Where to find a treatise on weights
A single memorandum, written upside-down relative to the leaf, records that Master Stefano Caponi, a physician living at the Pescina, owns Euclid's 'De ponderibus' (On Weights). The rest of the page is blank. It is one of several notes in which Leonardo tracks down books he wished to consult.
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Euclid's 'De ponderibus' at Stefano Caponi's
The note records that Master Stefano Caponi, a physician at the Pescina, has Euclid's 'De ponderibus' (On Weights). Leonardo jotted such whereabouts when he wanted to borrow or consult a book - here a treatise on statics.