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    Artificial Horizon Type C.
    From: Paul Jackson
    Date: 2009 Oct 6, 23:38 +1100
    Hi to the nav list group,
                                     I purchased a Artificial Horizon in 1997 from Infocntre,INC, based in Forestville Maryland U.S.A. On the documentation it states that this is a type C  Spherical Bubble. It has a small torch (running on watch batteries) that screws into the side of the bubble chamber to illuminate the bubble for night use,even though the torch is working ,when screwedinto position it dose not illuminate the bubble.Has any one seen a similar instrument and do they have a working knowledge of  the system of illumination.
    Regards Paul Jackson.

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