Johann Reinhold, Celestial globe clock

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

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Johann Reinhold (1550-1596)
Celestial globe clock, Augsburg, 1588
Paris, Musée des Arts et Métiers, inv. 07491

This is one of the five extant examples of an astronomical instrument driven by a clockwork mechanism built by Johann Reinhold. It reproduces the movements of the heavenly bodies, and it allows the user to determine the hour and day of the year as well as performing numerous other calculations.