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    Re: Kelvin Hughes Sextant
    From: Fred Hebard
    Date: 2014 Nov 19, 17:58 -0500

    Jerry
    
    My bad on the serial number; I misread it as 5017 and never double checked!  
    Sorry.  Here is a list of serial numbers of Hughes & Sons sextants, and some 
    other particulars.  It would seem yours was made in the winter of 1945-1946.  
    I have entered it in the list.  #37290 would seem to be similar to your 
    sextant.  Does yours have the type stamped into the arc?  
    
    Bill Morris' comment that the post-war lattice type frames had vernier 
    adjustments is not in accord with my data.  That doesn't mean he's wrong and 
    the inference from my data is correct
    
    Fred Hebard
    mbiew---.net
    
    Fields: serial#;type;year certificate issued;date on certificate;comment
    
    4659 vernier 1902 three circle?, March
    7243 vernier 1917 Plath type, class B, August 1917
    7733 vernier 1916 three circle, December
    8935 vernier 1919 three circle, perfect arc August, 1919, no telescopes, vertigris
    9906 vernier 1920 January Plath type, but seller says 3-circle!  Superb condition
    10278 vernier 1920 three circle
    10862 vernier 1920 three circle June, 1920
    12436 vernier 1 three circle, repainted and polished, no evidence of case, one long telescope
    12923 vernier 1920 3 circle, Sept, 2 telescopes, extra eye piece, and sight tube
    13502 vernier 1921 March Plath type, endless tangent screw with release
    13569 vernier 1921 Sept Plath type
    14139 vernier 1924 ? 3/8/24?  Plath type, endless tangent screw with release
    15212 vernier 1926 9/3/26
    16740 micrometer 1930 2/15/30
    18795 micrometer 1935 29 May
    19882 micrometer 1936 24 Sept, no instrument error, no telescope, only peep sight, wooden handle
    20787 micrometer 1937  H.HUGES & SON LTD.LONDON.DATED 6.9.37, no instrument error
    22888 vernier 1939
    23833 vernier 1940 3/2/40 7" 3-circle, no instr error
    24816 micrometer 1941 12/2/41 3-circle, 2.5x, 5x & 9x telescopes, not a black crinkle finish
    25966 micrometer 1946 MIGHT HAVE BEEN SERVICED IN 1946
    29939 micrometer 1941
    30268 micrometer 1942 7/30/42
    31240 micrometer 1942 4//43? has alignment telescope
    31674 micrometer 1942 16/2/43? 16/6/43? 31673?
    31746 micrometer 1942 has alignment telescope
    31768 micrometer 1942 has alignment telescope
    32253 micrometer 1942  11/23/42
    32790 micrometer 1943 1/4/43
    33054 micrometer 1943 2/25/43
    34657 micrometer 1943 April 20, 1943; sailing, small radius, read 1 min arc
    35862 fake 1943 7/27/43
    35977 micrometer 1943 8/17/43
    36214 micrometer 1943 Sept 9, 1943
    36529 micrometer 1943 10/18/43, had 5x scope as well as 2x, Mate, no error on the arc, brass handle
    36716 micrometer 1943 9/28/43
    36718 micrometer 1943 Sept 28, 1943
    37290 micrometer 1943 10/30/43 two scopes & double eyepieces, no errors, 6" arc
    37483 micrometer 1943 11/2/43 serial number has an "A" at the end
    39046 micrometer 1944 1/12/44
    40073 micrometer 1944 1/5/44
    40505 micrometer 1944
    41954 micrometer 1944 6/19/44
    43132 micrometer 1944 7/31/44
    44035 micrometer 1944 11/2/44
    44088 micrometer 1944
    44164 micrometer 1944
    46676 micrometer 1945 2/17/45
    46706 micrometer 1945
    46977 micrometer 1945
    48203 micrometer 1945 5/3/45 no errors, has sight tube and extra telescope, 
    maybe 4x, but not on certificate
    48460 micrometer 1945
    48657 micrometer 1945 6/28/45
    49066 micrometer 1945 9/10/45
    49659 micrometer 1945 11/27/45 polished down to brass!
    50117 micrometer       3-ring, admiralty, two telescopes, three eyepieces, two ocular shades.
    50324 micrometer 1946 3/4/46 Gothic, lattice
    50667 micrometer 1946 Gothic, lattice 6/6/46, Natl Physical Lab
    51940 micrometer 1946 3/26/46
    51974 micrometer 1946 7/24/46
    52061 micrometer 1946 5/2/46
    54316 micrometer 1947
    54434 micrometer ?
    54832 micrometer 1947 8/8/47
    55072 micrometer 1948 My sexant
    55726 micrometer 1947 5/30/47 DOESN'T LOOK LIKE A HUSUN: A FAKE
    56687 micrometer 1950 9/8/50 stadimeter
    57097 micrometer 1948 12/31/48
    59636 micrometer 1953 2/4/53
    60641 micrometer 1952
    61349 micrometer 1954 7/23/54, two telescopes
    62439 micrometer 1954 9/29/54, scruffy
    67414 micrometer 1962
    67922 micrometer 1965 6/5/65, mate aluminum?, no light
    69236 micrometer 1979 9/7/79 3 circle, 2.5x telescope, small mirrors
    70019 micrometer 1966 mate grey, no light
    70982 micrometer 1968 8/2/68
    On Nov 19, 2014, at 10:11 AM, Jerry Gorman wrote:
    
    > Fred yes the shades fit all eyepieces. Sadly the sextant came without a 
    calibration certificate. I still believe the serial no is 50117 see photos of 
    arc and presumably MOD attached plate Thanks Jerry
    > 
    > 
    > 
    > Attached File: 
    > 
    > (f14-image.jpg: Open and save)
    > 
    > Attached File: 
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    > (f15-image.jpg: Open and save)
    > 
    > View and reply to this message
    > 
    
    

       
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