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Re: Bygrave sight reduction accuracy with slide rule
From: Gary LaPook
Date: 2024 Nov 27, 01:19 -0800

As long as the Bygrave computer topic has come back, let me direct you to my prior post where I showed how to make a Flat Bygrave Computer that does the original computation and is simpler to make.

https://navlist.net/m2.aspx/New-compact-backup-CELNAV-system-changed-for-archive-LaPook-feb-2009-g7414

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