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    Re: What's this please?
    From: Luc Van den Borre
    Date: 2019 Nov 23, 18:28 +0100

    On 23/11/2019 18:16, Bob Crawley wrote:
    > I've been investigating an 1880's camera collection and found the item
    > below. I checked with a vintage photography expert who did not recognise
    > it. It looks like some sort of portable Sundial and I thought it might
    > be used to measure exposure. There may be a missing attachment. Maybe
    > it's just to line the camera up with the Sun? In short, I'd like to ID
    > it and if this group can't do that who can?! This may or may not be
    > off-topic in which case sorry but do seem to get unidentified
    > instruments from time to time.
    It's part of a goniostat I think. To hone gems or tools at a certain angle.

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