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    Re: Bubble sextant parts and calibration
    From: Gary LaPook
    Date: 2013 Dec 4, 23:15 -0800
    See:
    http://fer3.com/arc/m2.aspx/sextant-for-use-on-land--sep-2006-g1211

    The small flanged bulbs type T-1 3/4 flanged bulbs come in several voltage ratings but they all put out about 12 watts.

    Greenlee 327    28 volts
    JKL        328    6 volts
    Sylvania  330    14 volts

    The larger bayonet mount bulbs, type T-3 1/4 bayonet bulbs also come in different voltages and power ratings.

    JKL         313    28 volts    56 watts
    JKL        1891    14 volts    36 watts
    JKL        1892    14 volts     8 watts
    JKL        1893    14 volts    49 watts


    JKL           44     14 volts     17 watts


    All are available for less than a buck each at :
    http://www.onlinecomponents.com/keywordsearch.aspx?text=330

    gl







    From: Noell Wilson <noell_wilson{at}southwire.com>
    To: garylapook---.net
    Sent: Wednesday, December 4, 2013 10:54 AM
    Subject: [NavList] Re: Bubble sextant parts and calibration


    I found a bulb and considered it for a MK IX but Bill Morris (I think) said he thought it would be too dim. I later got the installed bulbs working and never went any further.
    There is a photo of the bulb and there may be a coiled filament wire. I can't tell for sure.
    http://www.servicelighting.com/catalog_product.cfm?prod2=MB03250
    Regards, Noell
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