NavList thread: Prism levels to correct sextant tilt.

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30 Oct 1999, 09:31 | Geoffrey Kolbe
01 Nov 1999, 22:42 | JC Sutherland
02 Nov 1999, 01:15 | Bill Murdoch
02 Nov 1999, 13:41 | Richard B. Emerson
02 Nov 1999, 19:10 | Geoffrey Kolbe