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What is this?

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10 comments

  • bambambam
    Any manufactur name stamped on it?

    Is that a spring or thread on top?



    Is the center hollow? Also, does the outside spin around the inside?

    looks like maybe some form of depth micrometer made by Starrett?
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  • austinsguns
    quote:Originally posted by bambambam
    Any manufactur name stamped on it?

    Is that a spring or thread on top?


    Threads. No mfg markings.
    0
  • goodgunparts
    Does it have a hole in the side?

    First thought is it looks like a dog whistle.
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  • austinsguns
    No holes. It is all solid, It almost has to be a measuring device. I figured it was gun related. The main part with the knruled edge and numbers threads up and down.
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  • tsr1965
    Do you have any dimensions for us to go by? That would help.

    Best
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  • austinsguns
    About 2.5" long
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  • goodgunparts
    OK I see the lines, thought they were just numbers. How deep is each index marking?

    Possibly pan or nipple primer for black powder?
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  • austinsguns
    The marks a are lengthways. So the marks line up with the number marks when you twist it.
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  • austinsguns
    quote:Originally posted by bambambam
    Any manufactur name stamped on it?

    Is that a spring or thread on top?



    Is the center hollow? Also, does the outside spin around the inside?

    looks like maybe some form of depth micrometer made by Starrett?


    It is not hollow, and the numbered portion and the jamb nut thread up and down. The rest is stationary.
    0

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