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    Re: Sextant certificate with a graph
    From: David Pike
    Date: 2020 Aug 16, 12:21 -0700

    1: Oh sorry, I did that redacting. Not my sextant -- so I decided to remove a potentially identifying detail. 

    Frank Reed

    That's very artistically done Frank.  It looks like it's under the perspex and quite an old redaction.  I failed to notice another photo showing the ACO were using graphs as far back as 1955. DaveP

    https://www.invaluable.com/auction-lot/hughes-son-6-5-inch-boxed-sextant-1251-c-1a64906a79

       
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