Erasmus Habermel, Full circle

INTRODUCTION
- Man and the stars
SECTION I
- The dawn of astronomy: Mesopotamia, Egypt and the Biblical Cosmos
SECTION II
- The cosmos becomes a sphere
SECTION III
- The geometry of the cosmos
SECTION IV
- The skies of Islam
SECTION V
- Evangelisation of the cosmos
SECTION VI
- The Renaissance of Astronomy
SECTION VII
- Galileo: the cosmos through the telescope
SECTION VIII
- From Galileo to Newton

Astrolabe, known as “Galileo’s astrolabe”

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Erasmus Habermel (1538-1606)
Full circle, end of the 16th century
Paris, Observatoire de Paris, inv. 18

An instrument used for calculating an angle, for finding directions and for comparing the different values assigned to the "foot" in various European cities.