NavList thread: How flat do sextant mirrors need to be?
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27 Jan 2009, 06:20 | Bill Morris
27 Jan 2009, 13:41 | Clive Sutherland
27 Jan 2009, 21:46 | Jean-Philippe Planas
28 Jan 2009, 04:10 | Ken Gebhart
28 Jan 2009, 13:34 | W F Jones
28 Jan 2009, 15:02 | Geoffrey Kolbe
28 Jan 2009, 18:51 | George Huxtable
29 Jan 2009, 07:16 | Geoffrey Kolbe
31 Jan 2009, 01:24 | Gary LaPook