Engraving depicting an astronomer and his female assistant observing Mercury, Venus and Jupiter from a roof top observatory in Paris. Dated 19th Century

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Size: 4079px × 5141px
Location:
Photo credit: © World History Archive / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 19th, archival, archive, assistant, astronomer, astronomy, century, engraved, engraving, france, french, historical, history, illustrated, illustration, jupiter, mercury, observation, observatory, paris, refracting, refractor, space, telescope, telescopic, venus