NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Trouble with Kollsman Periscopic sextant - no bubble
From: Guillaume Barthelemy
Date: 2005 Dec 20, 22:20 +0100
From: Guillaume Barthelemy
Date: 2005 Dec 20, 22:20 +0100
Thanks for these information; As far as I can see from the drawings which are at http://www.geocities.com/petanoz/aviation/celestnav.htm, the bubble chamber is lacking on my sextant... But that is surprising, because on mine I wonder how the bubble chamber could be fixed,and seen from the eyepiece at that place; indeed, at that place there is only a very little hole where a very little light is screwed in. Best regards Guillaume BARTHELEMY Selon Noell Wilson: > I don't know of a manual online but there is a photo at > http://www.geocities.com/petanoz/aviation/celestnav.htm > that shows the location of the bubble chamber. > You may wish to search the Nav-L archives for Kollsman and for the word > pellicle for some more information on the bubble. > Regards, Noell > > >>> jeanphilippeplanas@YAHOO.COM 12/20/2005 2:26:24 PM >>> > Hi > Are you able to power the instrument with 28V? > JPP > > Me Guillaume BARTHELEMY wrote: > Hi, > Being new borned in astronomic navigation, I bought on e-bay a Kollsman > Periscopic sextant. > Unfortunately, I can't manage to see the bubble throw the eyepiece. Is > anyone could tell me where is the bubble chamber or could help me. > Thanks a lot. > Guillaume BARTHELEMY. > > > > > JPP > __________________________________________________ > Do You Yahoo!? > Tired of spam? Yahoo! Mail has the best spam protection around > http://mail.yahoo.com >