22 



THE PROSPECTOR'S HANDBOOK. 



Now, when the upper edge is held horizontally, the plumb- 

 line will pass over the zero marking and hang vertically; 

 when held parallel to the line of bedding, or lode, or slope 



FIG. 17. 



of a hill, the plumb-line will be inclined a certain number 

 of degrees to the fixed line c D, and the number of degrees 

 read on that point of the semicircle over which the plumb- 



FIG. 18. A LODE WITH DIP OF 65, AS SHOWN BY THE CLINOMETEB. 



line passes will indicate the inclination of the bed, lode, or 

 slope of a hill to the horizon, i.e. the dip. A clinometer 

 and compass may be combined in the same apparatus by 



