Siderostat. 19th Century artwork of a large siderostat measuring metres in diameter. This flat mirror is turned slowly so that a given region of
Siderostat. 19th Century artwork of a large siderostat measuring metres in diameter. This flat mirror is turned slowly so that a given region of the sky is continuously reflected into a fixed telescope. Image from 'La Science Illustree' Louis Figuier (1895).
Size: 4748px × 3727px
Photo credit: © Science Photo Library / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: 19th, artwork, astronomical, astronomy, black--white, century, equipment, figuier, frame, historical, history, illustration, illustree, instrument, la, louis, mirror, monochrome, science, siderostat