NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: FW: Plexiglass horizon
From: Bill Noyce
Date: 2003 Jul 15, 13:20 -0400
From: Bill Noyce
Date: 2003 Jul 15, 13:20 -0400
> My experience is that it's easy to level to the half-division, or .0025 per
> foot.
>
> Bruce
That's one part in 4800, or 1/4800 of a radian (57.3xx degrees),
which comes out to about 0.72 minutes or 43 seconds.
Pretty good, but not as good as the metal sextant...
-- Bill
