alb3824507

Water Clock Diagram

Water clock design by the Greek inventor and mathematician  Ctesibius (285 - 222 BC).  As water fills the cylinder, the figure rises, pointing to the time.  The cylinder empties automatically to fill a drum that rotates the hour scale.
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Titre:
Water Clock Diagram
Water clock design by the Greek inventor and mathematician Ctesibius (285 - 222 BC). As water fills the cylinder, the figure rises, pointing to the time. The cylinder empties automatically to fill a drum that rotates the hour scale.
Crédit:
Album / Science Source / New York Public Library
Autorisations:
Modèle: Non - Propriété: Non
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Taille de l'image:
2712 x 4292 px | 33.3 MB
Taille d'impression:
23.0 x 36.3 cm | 9.0 x 14.3 in (300 dpi)
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