Re: Navy MK 5 Octant Using Natural Horizon
From: Alexandre Eremenko
Date: 2012 May 1, 19:08 -0400
Greg,
Thanks.
> P.S. There are U.S. Navy MK 5's without the averager.
How to detect this from the picture on e-bay?
(I am afraid that it is useless to ask the seller).
Alex.