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    Re: Periscopic Sextant. Henry Hughes and Son
    From: Paul Brewer
    Date: 2009 Jul 30, 15:28 -0700

    A method I use for running aircraft (24V) equipment is to wire two Domestic 
    burglar alarm lead acid gel batteries in series. If you know an alarm 
    engineer they can be free as time ex versions are a problem to get rid of. 
    Wire them in parallel to charge from a car trickle charger. Depending on 
    state and size you will get some hours of use and they are not too large or 
    heavy to carry around, compared to the sextant itself, nothing!
    Paul.
    
    
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