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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
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> Attached File: http://fer3.com/arc/img/121212.artificial-horizon-0555.jpg
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> Attached File: http://fer3.com/arc/img/121212.artificial-horizon-0557.jpg
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> Attached File: http://fer3.com/arc/img/121212.artificial-horizon-0559.jpg
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> Attached File: http://fer3.com/arc/img/121212.artificial-horizon-0560.jpg
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> : http://fer3.com/arc/m2.aspx?i=121212
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