Jump to content

Astrograph

From Wikimedia Commons, the free media repository
  • Clyde William Tombaugh created his photographic plates using this astrograph
    Clyde William Tombaugh created his photographic plates using this astrograph
  • Tombaugh compared his photographic plates using this blink comparator
    Tombaugh compared his photographic plates using this blink comparator
  • Bruce Double Astrograph, Heidelberg
    Bruce Double Astrograph, Heidelberg
  • Double astrograph, Heidelberg
    Double astrograph, Heidelberg
Retrieved from "https://commons.wikimedia.org/w/index.php?title=Astrograph&oldid=140631455"