Reflecting telescope in 18th century observatory, illustration from Soviet encyclopedia, 1926

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Size: 3840px × 4416px
Photo credit: © Ivan Vdovin / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: &, artwork, astronomy, background, black--white, book, bw, catadioptric, catoptric, drawing, enginery, engraved, engraving, equipment, illustration, isolated, lineart, machines, monochrome, observatory, optical, print, printed, reflecting, reflector, technic, technics, technology, telescope, vintage, white