Re: Using a Sperti MK II Astro-Compass (Sextant)



W. Watson wrote:

Someone gave me an astro-compass to use to determine true north. Anyone know how to use it? It's the second image at <http://www.warbirdsite.com/museumnavigation.html>.

Wayne T. Watson (Watson Adventures, Prop., Nevada City, CA)
(121.015 Deg. W, 39.262 Deg. N) GMT-8 hr std. time)
Obz Site: 39° 15' 7" N, 121° 2' 32" W, 2700 feet


I suggest reverse engineering and see what procedure that yields.
.



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