Compass as Sundial:

One of the reasons I like doing a lot of seemingless useless exploration is sometimes I discover something useful. If I line up the compass just right on the sun, then I can use it easily as a sundial. The north arrow is the hour hand. Since my variation is 8.5 degrees, it's off by 2 minutes from local noon. I haven't figured it out yet, but it can also be used as a sextant.



Edited by Gershon (01/10/12 01:20 PM)
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