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    Re: Artificial Horizon, K & E USN No. 6
    From: Alexandre Eremenko
    Date: 2012 Nov 26, 10:31 -0500

    It is also interesting to think of the procedure of returning mercury to
    the bottle:-)
    
    I would search the Internet (museums pages?) to see pictures of an AH
    of exactly this kind, before trying to make the missing part.
    
    Alex.
    
    > I agree it is hard to believe the inverting process.   It is easier to
    > explain with you having the pictures.
    >
    > The upper portion of jug..... the funnel,  was an intermediary piece in
    > the
    > filling process..... the missing transition piece screwed into the basin,
    > the funnel piece attached to the opposite end of the  transition piece,
    > and
    > then the funnel threaed onto the jug with the plug removed. During
    > preparation the jug was in its normal orientation, base down.Other pieces
    > was inverted.   Then all were rotated for the fluid to flow into the
    > basin.....maybe.
    >
    > Bruce
    >
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    >
    > ----- Original Message -----
    > From: 
    > To: 
    > Sent: Monday, November 26, 2012 9:20 AM
    > Subject: [NavList] Re: Artificial Horizon, K & E USN No. 6
    >
    >
    >>
    >> It is hard to believe that for filing the mercury
    >> the basin had to be inverted.
    >>
    >> I have another conjecture. That the upper portion of the jug served
    >> as a kind of funnel.
    >>
    >> Alex.
    >>
    >>> Hello:
    >>>
    >>> With  help from a friend, here are some photos of AH. Since I last
    >>> wrote,
    >>> I've found on-line more pictures of these devices, but none with a
    >>> basin
    >>> having a threaded connection in the corner.  The tip of the cone/jug
    >>> is
    >>> missing, and the small threaded connection on the interior tip is
    >>> partially broken off.  There is a fine hole in the broken tip/threaded
    >>> piece.
    >>>
    >>> I now believe the missing tip was a transition piece that allowed the
    >>> jug
    >>> of fluid to be directly threaded to the basin. The basin has a 3/8 inch
    >>> bolt thread. The top of the jug where you see the plug is a 7/8 inch
    >>> bolt
    >>> thread.
    >>>
    >>> I suspect the pouring process went something like this: 1. The jug was
    >>> removed from the carrying box and the missing transition piece was
    >>> screwed
    >>> into the basin. 2. Plug removed. 3 .  With the basin inverted , the
    >>> basin
    >>> was screwed onto the transition piece with  jug. 4. Then the entire
    >>> unit
    >>> was inverted with the Hg flowing into the basin.   After CN work
    >>> completed, the HG was poured back into the jug.  Note how the cone can
    >>> be
    >>> inverted so it acts as a funnel for the fluid going into the jug. The
    >>> corner of the basin has the pouring spout.   Maybe?? Pretty simple and
    >>> neat!?
    >>>
    >>> A friend has access to a machine shop and I'll have a brass transition
    >>> piece machined. I would love to know how the original  top piece and
    >>> any
    >>> other components looked. I've given up looking online and maybe I'll
    >>> contact the RPI library in Troy NY.  Maybe they have some old Gurley
    >>> catalogs.
    >>>
    >>> Has anyone ever used something like this?  Thoughts?
    >>>
    >>>
    >>> Bruce
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    >>>
    >>>
    >>> Attached File:
    >>> http://fer3.com/arc/img/121212.artificial-horizon-0554.jpg
    >>>
    >>> Attached File:
    >>> http://fer3.com/arc/img/121212.artificial-horizon-0555.jpg
    >>>
    >>> Attached File:
    >>> http://fer3.com/arc/img/121212.artificial-horizon-0557.jpg
    >>>
    >>> Attached File:
    >>> http://fer3.com/arc/img/121212.artificial-horizon-0559.jpg
    >>>
    >>> Attached File:
    >>> http://fer3.com/arc/img/121212.artificial-horizon-0560.jpg
    >>>
    >>>
    >>> View and reply to this message: http://fer3.com/arc/m2.aspx?i=121212
    >>>
    >>>
    >>>
    >>
    >>
    >>
    >>
    >>
    >
    >
    >
    >
    >
    > View and reply to this message: http://fer3.com/arc/m2.aspx?i=121218
    >
    >
    >
    
    
    
    
    

       
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