TABLE 38. 
Difference of Latitude and Departure for 11° (169°, 191°, 349°). 
CIBWHONNIWNWOD DPWrHAGDPhH 
In Plane Sailing. | Dist. 
For converting Dep. into Diff. Long. and Diff. Long. into Dep. Diff. 
In Middle Latitude Sailing. io Long. 
For converting Dep. into Diff. Long. and Diff. Long.into Dep. 
In Mercator Sailing. 
NxXCos. | NXSin. 
Side Side 
Adj. Opp. 
For multiplication of numbers by sines and by cosines, or ar 2 
solution of plane right-angled triangles. pote 
