Marc'Antonio Mazzoleni
... that Marc'Antonio Mazzoleni was Galileo's personal instrument maker and helped Galileo make military compasses and other instruments?
... that <b id="mwBJs"><a href="./Marc'Antonio_Mazzoleni" id="mwBJw" rel="mw:WikiLink" title="Marc'Antonio Mazzoleni">Marc'Antonio Mazzoleni</a></b> was <a href="./Galileo_Galilei" id="mwBJ0" rel="mw:WikiLink" title="Galileo Galilei">Galileo's</a> personal instrument maker and helped Galileo make <a href="./Sector_(instrument)" id="mwBJ4" rel="mw:WikiLink" title="Sector (instrument)">military compasses</a> and other instruments?