NavList thread: Bygrave sight reduction accuracy with slide rule
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20 Nov 2024, 17:29 | Paul Hirose
21 Nov 2024, 07:02 | Brian Walton
21 Nov 2024, 08:50 | Gary LaPook
22 Nov 2024, 06:40 | Gary LaPook
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29 Nov 2024, 12:42 | Brian Walton