TABLE 3. 
Difference of Latitude and Departure for 13° (167°, 193°, 347°). 
Is! 
= 
bo 
ee) 
Goo 
oo 
wWwnmnmnwnbwnwry 
ocoonpuouoescs 
COCSDSOSOSCSCHHHHEN NNN WoW AR EE MO ®AOIIIIA WDDWDODOOOOCOSO HH HHENNNNE 
cc 09 Co G9 GO CO 
eooocoooeo 
SOONIDDOO 
9 oo co 09 0D 
Pepe 
“IS Ou co 
we 
to 
=) 
323, 
324 
325, 
326 
327. 
NMDMMMDOODO OCOOCOMR EE bob] hp 
a 
for) 
&s 
“I 
Plane Sailing. 
} Forconverting Dep.into Diff. Long.and Diff. Long.into De 
In Middie Latitude Seine: os ye ee 
i Forconverting Dep.into Dif. 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. 
