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Books about Astronomus:
16. YüzyIl OsmanlI Astronomu Takiyüddin'in Gözlem AraçlarI by Mustafa Kacar (2011)
LANDOLT-BORNSTEIN NUMERICAL DAA AND FUNCTIONAL RELATIONSHIPS IN SCIENCE & TECHNOLOGY NEW SERIES ASTRONOMU & ASTROPHYSICS... by H. H. VOIGT (1965)
Lietuvos fiziku ir astronomu savadas by E Makariuniene (1994)
Hyginus astronomus (Scriptorum romanorum quae extant omnia) by Hyginus (1976)
Wiki information Astronomus:
Petrus Astronomus, O.Ss.S., a German by birth, was a Bridgettine monk in Vadstena Abbey, Vadstena, Sweden. In 1506, he created an astronomical clock for the Uppsala Cathedral, which, in addition to the hours and minutes of the day, also illustrated...