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    A detail of an astrolabe in the Scientific Instrument Collection of the Adler Planetarium, Chicago, IL

    QuesterMark, Dyallist, and broken toys added this photo to their favorites.

    1. QuesterMark 59 months ago | reply

      I'm using this photo as my iPhone wallpaper.
      I have no way to attribute it to you on the iPhone but if anyone wants it I will be sure to send them here to get it the same way I did.

      LOVE this. Thanks!

    2. Diorama Sky 59 months ago | reply


      I'm honored to have it on your iPhone!

      The Adler's collection of antique astronomical instruments is simply incredible.

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