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    Re: Chasing Shackleton
    From: Brad Morris
    Date: 2014 Jan 17, 17:10 -0500


    That scope rates a wow!  Probably a star scope for its light gathering characteristics.

    Why would you want a Wollaston prism on a sextant?  Anybody?


    On Jan 17, 2014 4:37 PM, "Brendan Kinch" <brenkinch@gmail.com> wrote:

    Hi Brad…..for sure the frame and parts were supplied by Heath even though it says “Sewill. Maker to the Royal Navy. Liverpool”. Sewills also ‘made’ chronometers – but inside they were really Mercer . Not unusual and the Heath frames are seen with many different maker’s names. I am a collector (as well as ex navigator) so I see many different types with very similar traits here and there. (Just look at the swing arm also on the Sewill).

    The handle is full ivory – another photo attached.


    I have another – Bell frame by Heath, New Eltham, that has the huge scope as on yours but one of the more interesting ones is the one by Loriux a Hurlimann, Paris…..look at the scope on this one… (see attached). Another nice feature on this one is the Wollaston Prism; see it just above the 4 index shades.





    From: NavList@fer3.com [mailto:NavList@fer3.com] On Behalf Of Brad Morris
    Sent: 17 January 2014 21:13
    To: BrenKinch---.com
    Subject: [NavList] Re: Chasing Shackleton



    Those binoculars look exceedingly familiar, right down to the method of attachment. Is it a Heath sextant? Much of the other characteristics say it is a Heath as well.

    I'm also interested in the handle. You say it is of ivory? The entire handle or just a piece for marking down observations, like a white board?

    It is certainly a beautiful!

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