Page 50] TABLE 3. 
Difference of Latitude and Departure for 17° (163°, 197°, 343°). 
TNO eas nC Or | ORES CNS ho OOS O32) Ce CIN ee 
AAMAA ANNWBDMDOOGOOOHPRPNNWNWWHE RO COIRAINIW OOO COO wo 
CATS CAIRO NOLO) aE 
WOOO OOO OOOOOMHO CONOR IRON reticle STINT ST ST ST ST SID DAD AARARAAARDNMMN 
MPN ODWOWHH OTD ORR HE DWUINDORWOUNPH/WORWONBH DUN! ORWOMDWUD ORD 
ee eo Oe MI RIKES 
0. 
0. 
0. 
1. 
if 
1. 
2. 
2. 
2. 
2. 
3. 
3. 
3. 
4, 
4, 
4. 
5. 
5. 
5. 
5. 
6. 
6. 
6. 
7. 
th 
7. 
&. 
8. 
8. 
8. 
9. 
9. 
9. 
9. 
10. 
10. 
10. 
11. 
11. 
11. 
12. 
12. 
12. 
12. 
13. 
13. 
13. 
PSSSSDS SSS SNANASARAAK A: 
TRH OCIN OMP RE DWOINODWOTRH ODWOnr 
SORES ESCs 2) UCUC Ls 
STS, TS TS) 
ORWO, 
PSS OO WC 
73° (107°, 253°, 287°). 
In Plane Sailing. 
For converting Dep. into Diff. Long. and Diff. Long. into Dep. 
Tu Middle Latitude Sailing. 
For converting ROL 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. 
