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    Re: Restoring a Mk V aircraft sextant
    From: UNK
    Date: 2015 May 28, 11:25 -0700

    Just for info - If you need a new bubble assembly, there is usually a NOS replacement bubble on eBay for $47. It's listed as for a 5851-1 but my 5851-1 had a broken vacuum chamber bubble and I replaced it wit the eBay reservoir type with no problems. It is different and wouldn't work for a museum restoration but it bolted on with two of the four screws. The eBay photo shows a huge bubble but after many, many button pushes I got a small workable bubble.

    Regards, Noell

       
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