Silva 15 TDCL
It has Romer scales with plotting holes for finding and marking GPS coordinates on the map and rubber feet so it won’t slide on the map.
Luminous compound that need to be activated by daylight/flashlight etc. Will give light up to 4 hours.
360 degrees on the graduation ring and 6400 mils on the reverse side.
Built in adjuster for magnetic declination and clinometer.