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    Re: Replacement horizon mirror for a Kelvin Hughes sextant.
    From: Francis Upchurch
    Date: 2019 Sep 28, 06:43 +0100

    Thanks David,
    Looks the same to me. The arc scale on mine is perfect too. Looks like 
    stainless steel or some other hard, silvery metal, but  not sure, the 
    slightly eccentric thing about both is the huge white plastic (nylon?) Knob 
    on the micrometer. Seems stylistically out of place on a traditional 1930s 
    style,clunky  piece of  British metal engineering? However, very functional 
    and easy to read accurately.
    Thanks for your pics and information. Do you get acceptable nav results? 
    I can't wait to test mine when the mirror is re-silvered. Met a few mermaids 
    while  sailing last week. Turned out to be common dolphins! Joy.
    Best wishes
    -----Original Message-----
    From: NavList@fer3.com [mailto:NavList@fer3.com] On Behalf Of David Pike
    Sent: 28 September 2019 04:16
    To: francisupchurch@gmail.com
    Subject: [NavList] Re: Replacement horizon mirror for a Kelvin Hughes sextant.
    *Is the Husan the same as the Kelvin Hughes?*
    Hello Francis
    You decide.  Below are snaps of my 1941 Mates and the chap's 1963 KH.  It 
    looks like they tried to give the KH a more 1960s colour scheme, but it looks 
    like the same casting and numbering sequence.  It also looks like they 
    changed from brass with a silver? platinum? inlay to a newer material. 
    Notice the callibration.  Was my near perpect 1941 arc scale a one off, a big 
    fib, or was the cutting machine beginning to get worn by 1963?  And the 
    mermaids don't seem to have got a day older.  Maybe mermaids don't.  DaveP
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    Attached File: http://fer3.com/arc/imgx/f1-1941Mates2(Large).JPG
    Attached File: http://fer3.com/arc/imgx/f1-1941Mates1(Large).JPG
    Attached File: http://fer3.com/arc/imgx/f1-1963Mates3-(Large).JPG
    Attached File: http://fer3.com/arc/imgx/f1-1963Mates1-(Large).JPG
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