NAVIGATION. 19 



the points of division, and sometimes any angular 

 space that is equal to the space from one of the 

 thirty-two points to the next on either side of 



FIG. 4. Compass Card. 



it. The terms quarter-point and half-point are 

 sometimes applied to the subdividing marks, but 

 more often to designate the angular spaces between 

 them. From what I have told you already, you 



C 2 



