Page 74] TABLE 3. 
Difference of Latitude and Departure for 29° (151°, 209°, 331°). 
iS 
a 
is] 
o 
uo} 
OOD OP COLE 
POOP SS Fo OSI GIS 
WOODOODO/ ODDO OOOOO DO! OOODOMHMOMOMOMO 
OPOR OBI OMNOMNOTHM OHA OPNNNN NTN oO 
SOIC} O0) GONE EU C2) OS OCU SOS 
‘In Plane Sailing. 
For converting Dep. into Diff. Long. and Diff. Long. into Dep. 
In Middle Latitude Sailing. 
Tor converting Dep. into Diff. Long. and Diff. Long. into Dep. 
In Mercator Salling. 
For multiplication of numbers by sines and by cosines, or 
solution of plane right-angled triangles. 
