TABLE 3. 
Difference of Latitude and Departure for 12° (168°, 192°, 348°). 
Dep. } Dist. 
62.6 | 361 
62.8 
o> 
oe 
So 
AAMAARDABAINTINWMOMMDDOSD|SCDODDSOOOHH ES 
TWH ONTONIWEH SIUM WODORMELNWODIRAPNOWMOWE ON TWRONTIWH OA FNODMPNOWDALHEONTOR ONT 
In Plane Sailing. 
For converting Dep. into Diff. Long. and Diff. Long. into Dep. 
In Middie Latitude Sailing. 
For converting Dep.into Diff. Long. and Diff. Long.into Dep. 
In Mercator Sailing. 
For multiplication of numbers by sines and by cosines, or 
solution of plane right-angled triangles. 
