Geological Compass Harbin Magnet Needle Damping Aluminum Pocket Transit Geological Compass Surveying Instruments
Specification:
Metal construction
Measure direction,obliquity,gradient,upright,horizontal
Worldwide use
Professional compass Pocket compass:
Made of metal construction
Compass with liquid-filled
To measure direction,obliquity,gradient,upright,horizontal
Used in geology perambulation,colliery and other mine exploitation
Model Number : Geological Compass