Posted by David Bamford on September 14, 2003 at 06:20:14 from 203.10.110.131 user David.
In Reply to: Re: Compass (and War) posted by John Nichols on September 12, 2003 at 01:17:34:
I used a prismatic compass frequently when working as a geologist; also the Brunton Pocket Transit referred to by Andrew. I was able to read to 30 minutes with the prismatic without too much difficulty. The design of the Prismatic dates, I believe to before the Great War.
David.