The holdings of the museum, consisting of scientific instruments, come in part from the collections of the Medici. Among the most interesting exhibits are "calculators" used between the seventeenth and the nineteenth centuries and some rare instruments invented by Galileo Galilei.

Piazza dei Giudici, 1. Phone: 293493
Open: Tue-Thur-Sat 9.30-13. Mon-Wed-Fri 14-17. Closed Sundays