TABLE 3. [Page 47 
Difference of Latitude and Departure for 15° (165°, 195°, 345°). 
Dist. | Lat. Dep. } Dist. Lat Dep 
A481 | 464.6 | 124.5] 541 | 522.6 | 140.0 
82 | 465.6 | 124.8) 42 | 523.5 | 140.3 
83 | 466.5 | 125.0] 43 | 524.5 | 140.5 
84 | 467.5 |125.3] 44 | 525.5 | 140.8 
85 | 468.5 |125.57 45 | 526.4 | 141.1 
86 | 469.4 | 125.8] 46 | 527.4 | 141.3 
87 | 470.4 | 126.0} 47 | 528.4 | 141.6 
88 | 471.4 |126.3} 48 | 529.3 | 141.8 
89 | 472.3 {126.6} 49 | 530.3 | 142.1 
90 | 473.3 | 126.8] 50 | 531.3 | 142.4 
491 | 474.3 | 127.1} 551 | 532.2 | 142.6 
92 | 475.2 |127.3] 52 | 533.2 | 142.9 
93 | 476.2 |127.6] 53 | 534.2 | 143.1 
94 | 477.2 |127.9] 54 | 535.1 | 143.4 
95 | 478.1 |128.1} 55 | 536.1 | 143.6 
96 | 479.1 | 128.4] 56 | 537.1 | 143.9 
97 | 480.1 |128.6] 57 | 538.0 | 144.2 
98 | 481.0 |128.9] 58 | 539.0 | 144.4 
99 | 482.0 |129.2] 59 | 540.0 | 144.7 
500 | 483.0 | 129.4} 60 | 540.9 | 144.9 
501 | 483.9 | 129.7} 561 | 541.9 | 145.2 
02 | 484.9 | 129.9] 62 | 542.9 | 145.5 
03 | 485.9 | 130.2] 63 | 543.8 | 145.7 
04 | 486.8 | 130.4] 64 | 544.8 | 146.0 
05 | 487.8 | 130.7] 65 | 545.7 | 146.2 
06 | 488.8 |131.0] 66 | 546.7 | 146.5 
07 | 489.7 |131.2] 67 | 547.7 | 146.8 
08 | 490.7 |131.5] 68 | 548.6 | 147.0 
09 | 491.7 }131.77 69 | 549.6 | 147.3 
10 | 492.6 |132.0} 70 | 550.6 | 147.5 
O11 | 493.6 | 1382.3} 571 | 551.5 | 147.8 
12 | 494.6 |132.5] 72 | 552.5 | 148.0 
13 | 495.5 | 132.8} 73 | 553.5 | 148.3 
14 | 496.5 | 133.0] 74 | 554.4 | 148.6 
15 | 497.5 |133.3} 75 | 555.4 | 148.8 
16 | 498.4 |133.6] 76 | 556.4 | 149.1 
17 | 499.4 |133.8] 77 | 557.3 | 149.3 
18 | 500.3 | 134.1] 78 | 558.3 | 149.6 
19 | 501.3 |134.3) 79 | 559.3 | 149.8 
20 | 502.3 | 134.6] 80 | 560.2 | 150.1 
521 | 503.2 | 134.8% 581 | 561.2 | 150.4 
22 | 504.2 |185.1] 82 | 562.2 | 150.6 
23 | 505.2 |135.4] 83 | 563.1 | 150.9 
24 | 506.1 |135.6] 84 | 564.1 | 151.2 
25 | 507.1 |135.9] 85 | 565.1 | 151.4 
26 | 508.1 |136.1] 86 | 566.0 | 151.6 
27 | 509.0 | 136.4] 87 | 567.0 | 151.9 
28 | 510.0 | 136.7] 88 | 568.0 | 152.2 
29 | 511.0 | 136.9] 89 | 568.9 | 15224 
80 | 511.9 |187.2— 90 | 569.9 ) 152.7 
531 | 512.9 | 187.4} 591 | 570.9 | 153.0 
32 | 513.9 |137.7§ 92 | 571.8 | 153.2 
33 | 514.8 |138.01 93 | 572.8 | 153.5 
34 | 515.8 | 188.2] 94 | 573.8 | 153.7 
35 | 516.8 | 138.5] 95 | 574.7 | 154.0 
36 | 517.7 |138.7] 96 | 575.7 | 154.3 
37 | 518.7 | 139.0} 97 | 576.7 | 154.5 
38 | 519.7 | 139.2] 98 | 577.6 | 154.8 
39 | 520.6 | 139.5] 99 | 578.6 | 155.0 
40 | 521.6 | 139.84 600 | 579.6 | 155.3 
Dist. | Dep. Lat. Dist. Dep Lat. 
In Plane Sailing. 
~ For converting Dep. into Diff. Long.and Diff. Long. into Dep. 
In Middle Latitude Sailing. 
For converting 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. 
