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    Re: British Mark IXA Aircraft Sextant Reconditioning Manual
    From: Ronald van Riet
    Date: 2007 Aug 15, 02:19 -0700

    John,
    
    I just got my Mk IXA and everything seems to work to some extent,
    although the bubble cannot be made to disappear, I will probably have
    to fill the chamber some, but at the moment the bubble seems to be
    just about the right size, so I should be able to make a sun shot or
    so (if the clouds would only disappear).
    
    I have one problem for night shots, though: I cannot seem to find what
    type of battery should go in. I have checked Steve Grobler's site
    (www.users.bigpond.com/bgrobler/sextant/sextant.html) and all the
    links this provides with some very useful data coming up, but no specs
    for the battery.
    
    Can anyone help me out here? I don;t have the 12/24 V attachment, so I
    will have to work with the batteries in the battery compartment.
    
    And John, would you say that the manual you mention adds enough
    information to what is available via Steve Grobler's site to warrant
    the (rather expensive) purchase of that manual?
    
    And does anyone have a comparison with the other Mk IX manual
    available on eBay (auctions like 150133632158 which has finished)?
    
    thanks
    
    Ronald
    
    On Aug 7, 1:55 pm, John Gilbert  wrote:
    > Those amongst us who enjoy owning and using these sextants may be
    > interested to hear of a newly written manual in Adobe Acrobat format
    > covering detailed repair and reconditioning of this model. It is
    > currently being sold on eBay under auction #230159242513, seller name
    > okianga.
    >
    > I have no pecuniary interest in the manual but having purchased it,
    > read it and compared it with my experiences repairing my own Mark IX
    > sextants, I can unreservedly recommend it to anyone with basic manual
    > skills and an interest in keeping these sextants in operating condition.
    >
    > John Gilbert
    > Adelaide, South Australia
    
    
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