TABLE 3. [Page 35 
Difference of Latitude and Departure for 9° (171°, 189°, 351°). 
Dist.| Lat. | Dep. | Dist. | Lat. Dep. | Dist. Dep. ! Dist. Dep. 
301 | 297.3 | 47.1} 361 | 356.6 65.9 } 481 .6 
02 | 298.3 | 47.2 } 62 | 357.5 66.0} 82 .8 
03 | 299.3 5 66.2 | 83 a9 
04 | 300.3 .5 66.3] 84 5.1 
05 | 301.2 .5 66.5] 85 a3 
06 | 302.2 .5 66.6 | 86 5.4 
07 | 303.2 .5 66.8} 87 5.6 
08 | 304. 2 .5 67.0} 88 5.7 
09 | 305. 2 .5 67.1] 89 pw) 
10 | 306.2 4 67.3) 90 .0 
311 | 307.2 4 67.4 | 491 2 
12 | 308.2 4 67.6} 92 4 
13 | 309.1 4 67.7] 93 .5 
14 | 310.1 A 67.9 1 94 nd] 
15 | 31L.4 4 68.0} 95 .8 
16 | 3i2.1 A 68.2} 96 .0 
aol os: 4 68.4} 97 val! 
18 | 314.1 Bc) 68.5 | 98 oa} 
19 | 315.1 .3 68.74 99 .4 
- 20 | 316.1 io 68.8 | 500 6 
321 | 317.0 3 69.0 7 501 .8 
22 | 318.0 5G} 69.1} 02 “9 
23 | 319.0 .3 69.3} 03 pal 
24 | 320.0 3 69.5 | 04 .2 
25 | 321.0 BS) 69.6] 05 4 
26 | 322.0 2 69.8 | 06 .5 
27 | 323.0 2 69.9 | 07 a 
28 | 324.0 .2 70.1} 08 .9 
29 | 324.9 v2, 70.2} 09 .0 
30 | 325.9 be 70.4 4 10 12 
331 | 326.9 .2 70.6 } 511 .3 
82 | 327.9 a2, 70.7) 12 .5 
33 | 328.9 3 2 70.9} 13 .6 
34 | 329.9 wl 71.0} 14 .8 
35 | 330.9 pal 71.2} 15 ay) 
36 | 331.9 oil 71.3] 16 90.1 
37 | 332.9 wl 71.5] 17 90.3 
38 | 333.8 1 71.63) 18 90.4 
39 | 334.8 pal 71.8} 19 90.6 
40 | 335.8 pal 72.0} 20 90.7 
341 | 336.8 pal 72.1 | 521 90.9 
42 | 337.8 wall 72.3 22 91.0 
43 | 338.8 398.0 72.44 23 91.2 
44 | 339.8 399.0 72.64 24 91.4 
45 | 340.8 400.0 72.74 25 91.5 
46 | 341.7 401.0 72.9] 26 91.7 
AT | 342.7 402.0 73.1] 27 91.8 
48 | 343.7 403.0 73.2] 28 92.0 
49 | 344.7 404.0 73.4 29 92.1 
50 | 345.7 405.0 73.5 9 30 92.3 
351 , 346.7 405.9 73.74 531 92.5 
52 | 347.7 406.9 73.8 | 32 92.6 
53 | 348.7 407.9 74.0] 33 92.8 
54 | 349.6 408.9 74.1} 34 92.9 
55 | 350.6 409.9 74.3] 35 93.1 
56 | 351.6 410.9 74.5} 36 93.2 
57 | 352.6 411.9 74.6} 37 93.4 
58 | 353.6 412.9 74.8] 38 93.5 
59 | 354.6 413.8 74.94 39 93.7 
60 | 355.6 414.8 75.1} 40 93.9 
Dist. | Dep. Lat. | Dist. Lat 
81° (99°, 261°, 279°). 
In Plane Sailing. 
For converting Dep. into Diff. Long. and Diff. Long. into De 
in Middle Latitude Sailing. CER B: 
For converting Dep. into Diff. Long. and Diff. Long.into Dep. aD Diff. 
In Mercator Sailing. Long. 
NxCos. | NxSin. 
For multiplication of numbers by sines and by cosines, or 
solution of plane right-angled triangles. 
Side 
