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Both during the four years he lived in
Galileo's household and thereafter, Mazzoleni constructed instruments for Galileo, notably the military compass that Galileo invented and sold (along with an instruction manual written by Galileo). Mazzoleni would build more than 100 of these compasses for
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Marc'Antonio
Mazzoleni was the son of Paolo Mazzoleni, of the Mazzoleni family of Paduan clockmakers, and Marietta Bazi. Marc'Antonio's uncle Francesco operated a successful artisan workshop in Padua. Marc'Antonio's older brother Mario was to hold the chair in Natural Philosophy at the
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Galileo. Mazzoleni also helped
Galileo produce other instruments, including hydrostatic balances, air thermometers, magnets and magnetic compasses for ships, and various kinds of
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for engineers and architects. For his services, Galileo paid
Mazzoleni a meager salary of six crowns per year (in addition to room and board).
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when, in 1597, Galileo hired him as his personal instrument maker. In 1599, Mazzoleni, his wife, and his daughter moved into
Galileo's home in
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in 1610. In 1612, Mazzoleni became regulator of the clock of the
University of Padua's Palazzo del Bo'.
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Galileo's geometrical and military compass, thought to have been made c. 1604 by
Mazzoleni
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Waywiser online database of
Harvard's Collection of Historical Scientific Instruments
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Mazzoleni continued to work with
Galileo even after the latter's return to
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156:. Harvard University Department of the History of Science
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Mazzoleni had been working as an instrument maker at the
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instrument maker best known for his association with
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127:. Institute and Museum of the History of Science
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218:. London: John Murray. p. 93, n. 1
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228:galileo, his life and work fahie.
125:Scientific Itineraries in Tuscany
150:"People: Marc'Antonio Mazzoleni"
184:. Beard Books. pp. 55–56.
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212:Fahie, John Joseph (1903).
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215:Galileo: His Life and Work
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251:1632 deaths
222:15 February
240:Categories
89:in 1632.
35:Biography
80:Florence
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87:plague
61:Venice
21:Paduan
93:Notes
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