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Egnazio Danti o Giovanni Battista Giusti, Astrolabio
Egnazio Danti or Giovanni Battista Giusti, Astrolabe

c. 1570
Brass, wood; diameter 84 cm, height 86 cm
Florence, Istituto e Museo di Storia della Scienza, inv. 3361

Placed on an adjustable table, this astrolabe contains a single plate for the latitude of Florence. It was held at the Uffizi Gallery, and Galileo had used it for his astronomical calculations.