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  1. Again, in English, please.
    KyleK likes this.
  2. A watch crystal tool
  3. that is it.
  4. Red sort of gave me the hint, would you like the honors @red55
  5. It looks more like some kind of measuring device than an actual tool that does something
  6. A measuring device is an actual tool that does something, you know.
  7. brass.jpg
  9. It is not a sextant.
  10. That is an Abney Level, also referred to as an Angle Sextant. I think @Tiger Exile got this right.
    http://www.stanleylondon.com/abneylevel.htm
    My grandfather had one of these, and I knew it as an angle sextant. Had to search the net to figure out why you said Tiger was incorrect.
    Tiger Exile likes this.
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