Flamsteed's equatorially mounted sextant fitted with telescope. Side showing gearing for aligning sextant. Flamsteed was the first Astronomer Royal. From 'Historia Coelestis Britannica' John Flamsteed (London 1725). Engraving.

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Flamsteed's equatorially mounted sextant fitted with telescope. Side showing gearing for aligning sextant. Flamsteed was the first Astronomer Royal. From 'Historia Coelestis Britannica' John Flamsteed (London 1725). Engraving.

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Size: 3600px × 4500px
Location:
Photo credit: © World History Archive / Alamy / Afripics
License: Licensed
Model Released: No

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