Expedition 4
Description
Type of compass - Silva 1-2-3 System baseplate compass
Magnifying lens - Yes
Declination adjustment - Decl scale in capsule
Clinometer - No
Illumination / active time after activation in light - Yes 4 hours
Luminous compound - Tritium compound 80 mCi
Silicon friction feet - Yes
Other - Patented red/black N/S lines in capsule
Available graduations - 6400/360 (360 inside the capsule), 6300, 360
