NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Centring Error Detector
From: P Posth
Date: 2007 Jan 11, 01:21 -0800
From: P Posth
Date: 2007 Jan 11, 01:21 -0800
Hello, I'm looking for information about "Centring Error Detectors", machines to verificate and evaluate centring error of sextant. Here is an exampe of this kind of instrument : http://bib.iota.u-psud.fr/Record.htm?idlist=3&record=894512461279 Here is an other kind : http://gita.grainger.uiuc.edu/IOPText/0950-7671/6/10/408/siv6i10p324.pdf Do you know - if exist a book describing precisely the use of this instrument, - if exist always a manufacturer of this instrument - any other information or comment is welcome. Thank you and happy new year. --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to NavList@fer3.com To , send email to NavList-@fer3.com -~----------~----~----~----~------~----~------~--~---