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Unknown device / Physics equipment. Please identifiy...

  1. Oct 4, 2016 #1
    I'm stumped by this one... Any idea what it is? Inside there is a focusable optical target with 3 green lines. The white "pens" dip in ink and mark something. Any ideas?

    unknown1.jpg
    unknown2.jpg
    unknown3.jpg
    unknown4.jpg
     
  2. jcsd
  3. Oct 4, 2016 #2

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  4. Oct 4, 2016 #3

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  5. Oct 4, 2016 #4
    This does not appear to be any sort of standard polarimeter. This does not explain the white pens that mark on some surface.
     
  6. Oct 4, 2016 #5
    Figured it out.. thought it was physics / science related but actually it's medical. It's a lensometer for optometry.
     
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