All videos for the tag : Map (13 videos) - page 2

  • Survival Compass and a Sundial in a Match Box!
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    This is a small match box that contains some useful items. The box contains waterproofed matches, a cardboard gnomon (that’s the part of a sundial that casts the shadow), and a compass in the form of a magnetized sewing needle stuck through a small piece of foam. The sundial must be oriented north to work,…