SUSPENSION MINING COMPASS

To measure direction, obliquity, gradient, upright, milemeter, horizontal. Used in geology perambulation, colliery and other mine exploitation.
Suspension Mining compass
Model DQL100-G1
The mininum dial division value 1?
Incline dial 20′ 
Total weight of the instrument and the attachment 0.5kg

Place of Origin:	China,Heilongjiang ,Harbin
Model No:	DQL100-G1
Brand Name:	Harbin