NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Artificial Horizon, K & E USN No. 6
From: Bruce J. Pennino
Date: 2012 Nov 26, 10:55 -0500
From: Bruce J. Pennino
Date: 2012 Nov 26, 10:55 -0500
Returning the fluid is easy.....there is a pouring spout on one corner of basin. Screw funnel onto the jug in a normal funnel mode (small diameter down of course). Then pour Hg off spout end. Bruce ----- Original Message ----- From:To: Sent: Monday, November 26, 2012 10:31 AM Subject: [NavList] Re: Artificial Horizon, K & E USN No. 6 > > 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 >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> ----- 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 >>>> ---------------------------------------------------------------- >>>> NavList message boards and member settings: www.fer3.com/NavList >>>> Members may optionally receive posts by email. >>>> To cancel email delivery, send a message to NoMail[at]fer3.com >>>> ---------------------------------------------------------------- >>>> >>>> >>>> >>>> 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 >>>> >>>> >>>> : http://fer3.com/arc/m2.aspx?i=121212 >>>> >>>> >>>> >>> >>> >>> >>> >>> >> >> >> >> >> >> : http://fer3.com/arc/m2.aspx?i=121218 >> >> >> > > > > >