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Old April 12, 2013, 07:59 PM   #52
Junior Member
Join Date: April 4, 2013
Location: USA
Posts: 7
GPS vs Map & Compass

The military grade lensatic compass uses Tritium for illumination. Tritium is a controlled radioactive materiel but available to the public when used in several different applications. It will provide illumination to the face of the compass in total darkness. Proficiency with the map and compass takes instruction and practice.
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