[1][2] In 1554, he made an armillary sphere, now preserved in the Science Museum in London.
[3] In 1560, he succeeded his father as superintendent of the large clock in the Palazzo Vecchio.
He also asked to be assigned the maintenance of his grandfather Lorenzo's (1446-1512) Orologio dei Pianeti [Planetary Clock], which he restored himself.
In 1590, he built his last clock, preserved at the Museo Galileo of Florence (inv.
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