TABLE 3. [Page 101 
Difference of Latitude and Departure for 42° (138°, 222°, 318°). 
Dist. | Lat. Dep. | Dist. | Lat. Lat. Dep. |f 
801 | 223.7 | 201.4] 361 | 268.3 357.5 362.0) 
02 | 224.4 |} 202.1} 62 | 269.0 358. 2 362.7, 
03 | 225.2 | 202.7} 63 | 269.8 358.9 363.3. 
04 | 225.9 | 203.4] 64 | 270.5 359. 7 364.0 f 
05 | 226.7 | 204.1} 65 | 271. 360.4 364.7 
06 | 227.4 |204.8} 66 | 272. 361.2 365.3 | 
O07 | 228.1 | 205.4] 67 | 272. 361.9 366.0| 
08 | 228.9 | 206.1} 68 | 273. 362.7 366. 7; 
09 | 229.6 | 206.8] 69 | 274. 363.4 367.4} 
10 | 230.4 | 207.4) 70 | 275. 364.1 368.0! 
311 | 231.1 | 208.1] 371 | 275. 364.9 368.7) 
12 | 231.9 | 208.8] 72 | 276. 365. 6 369.4 
13 | 232.6 |209.4) 73 | 277. 366.4 370.0: 
14 | 233.3 |210.1] 74 | 277. 367.1 370.7, 
15 | 234.1 |210.8) 75 | 278. 367.9 371.4 
16 | 234.8 |211.4] 76 | 279. 368. 6 372.0 
17 | 235.6 |212.1] 77 | 280. 369.3 372. 7:1 
18 | 236.3 |212.8} 78 | 280. 370.1 373.4 | 
19 | 237.1 | 213.54 79 | 281. 370.8 374.0) 
20 | 237.8 | 214.1 282 371.6 374.7. 
321 | 238.5 | 214.8 283. 372.3 375.4: 
22 | 239.3 | 215.5 283. 373.1 376.1) 
23 | 240.0 | 216.1 284. 373.8 376.7: 
24 | 240.8 | 216.8 285. 374.5 377.4 
25 | 241.5 | 217.5 286. 375.3 378.1 
26 | 242.3 | 218.1 286. 376.0 378.7: 
27 | 243.0 | 218.8 287. 376.8 379.4 
28 | 243.8 | 219.5 288. 377.5 380.1: 
29 | 244.5 | 220.1 289. 378.3 380.7" 
30 | 245.2 | 220.8 289. 379.0 381.4: 
331 | 246.0 | 221.5 290. 379.7 382.1; 
32 | 246.7 | 222.2 291. 380.5 382.7 
33 | 247.5 | 222.8 292. 381.2 383. 4:} 
34 | 248.2 | 223.5 292. 382.0 384. 1! 
35 | 249.0 | 224.2 293. 382.7 384. 8] 
36 | 249.7 | 224.8 294. 383.5 385.4 
37 | 250.4 | 225.5 295. 384.2 386. 1’ 
38 | 251.2 | 226.2 295. 384.9 386.8 
39 | 251.9 | 226.8 296. 385.7 387.4. 
40 | 252.7 | 227.5 297. 386. 4 388. 1 
341 | 2538.4 | 228.2 298. 387.2 388. 8 | 
42 | 254.2 | 228.8 298. 387.9 389.4 
43 | 254.9 | 229.5 299. 388. 7 390.15} 
44 | 255.6 | 230.2 300. 389.4 390.8 
45 | 256.4 | 230.9 301. 390. 2 391.4. 
46 | 257.1 | 231.5 301. 390.9 392.1 
47 | 257.9 | 232.2 302. 391.6 392.8 
48 | 258.6 | 232.9 303. 392.4 393.4 
49 | 259.4 | 233.5 303. 393.1 394.1) 
50 | 260.1 | 234.2 304. 393.9 394.8 | 
351 | 260.8 | 234.9 305. 394.6 395.5° 
52 | 261.6 | 235.5 306. 395. 4 396.1 
53 | 262.3 | 236. 2 306. 396.1 396.8 
54 | 263.1 | 236.9 307. 396.8 397.5 
55 | 263.8 | 237.5 308. 397.6 398.1 
56 | 264.6 | 238.2 309. 398.3 398.8 | 
57 | 265.3 | 233.9 309. 399.1 399.5 
58 | 266.0 | 239.5} 18 | 310. 399.8 400.1. 
59 | 266.8 | 240.2] 19 | 311 400.6 400.8 
60 | 267.5 | 240.9} 20 | 312.1 401.3 401.5: 
Dist. | Dep. Lat. { Dist.| Dep. Dep. Lat. 
In Plane Sailing. 
For converting Dep. into Diff. Long. and Diff. Long.into Dep. 
In Middle Latitude Sailing. 
For converting Dep. into Diff. 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. 
