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Ronald,

You should be able to use 2 "C" size batteries in your MK IXA. Of that I am 
certain as I own three of them and they all take the same size of batteries.

As for the manual, stand by on that. I just ordered one last night and 
received my PDF this morning. Once I have read it over, I will provide a 
short critique.

cheers

Robert

----- Original Message -----
From: Ronald van Riet 
Date: Wednesday, August 15, 2007 5:19 am
Subject: [NavList 3105] Re: British Mark IXA Aircraft Sextant Reconditioning Manual

>
> 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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