TABLE 3. [Page 97 
Difference of Latitude and Departure for 40° (140°, 220°, 320°). 
Dist.} Lat. Dep. Dist. | Lat. Dep. 
301 | 230. 6 232. 1 309. 2] 541 | 414. 4 | 347.7 
02 | 231.3 232. 7 309.8] 42 | 415.2 | 348.4 
03 | 232.1 233. 3 310.5] 43 | 416.0 | 349.0 
04 | 232.9 234. 0 311.1) 44 | 416.7 | 349.7 
05 | 233. 6 234. 6 311.84 45 | 417.5 | 350.3 
06 | 234. 4 235. 3 312.4] 46 | 418.3 | 351.0 
07 | 235. 2 235. 9 313.0] 47 | 419.0 | 351.6 
08 | 235. 9 236. 5 313.7] 48 | 419.8 | 352.2 
09 | 236. 7 237. 2 314.3] 49 | 420.6 | 352.9 
10 } 237.5 237. 8 315.0} 50 | 421.3 | 353.5 
311 | 238. 2 238. 5 . 6 422.1 | 354. 2 
12 | 239.0 2390 3 422.9 | 354.8 
13 | 239.8 239. 8 423.6 | 355.5 
14 | 240.5 240. 4 -5 424.4 | 356.1 
15 | 241.3 241.0 2 425. 2 | 356.7 
16 | 242.1 241.7 8 425.9 | 357. 4 
17 | 242.8 242. 3 Bt) 426.7 | 358. 0 
18 | 243.6 243. 0 . 1 427.5 | 358.7 
19 | 244. 4 243. 6 . 8 428. 2 | 359. 3 
20 | 245.1 244.3 .4 429.0 | 360. 0 
321 | 245.9 244.9 . 0 429.8 | 360. 6 
22 | 246. 7 245. 5 0 430.5 | 361. 2 
23 | 247. 4 246. 2 .3 431.3 | 361.9 
24 | 248. 2 246. 8 .0 432.0 | 362.5 
25 | 249.0 247.5 6 432.8 | 363.2 
26 | 249.7 248. 1 Bo) 433. 6 | 363.8 
27 | 250.5 248. 8 9 434.3 | 364.5 
28 | 251.3 249. 4 5 435. 1 | 365. 1 
29 | 252.0 250. 0 12 435.9 | 365. 7 
30. | 252. 8 250. 7 8 436.6 | 366: 4 
331 | 253. 6 251.3 a) 437.4 | 367.0 
32 | 254. 3 252. 0 . 1 438. 2 | 367.7 
33 | 255. 1 252. 6 . 8 438.9 | 368.3 
34 | 255. 9 253. 3 . 4 439.7 | 369.0 
35 | 256. 6 253. 9 .0 440.5 | 369.6 
36 | 257. 4 254. 5 S14 441.2 | 370.2 
37 | 258. 2 255. 2 3 442.0 | 370.9 
38 | 258. 9 250. 8 . 0 442.8 | 371.5 
39 | 259. 7 256. 5 . 6 443.5 | 372.2 
40 | 260.5 257. 1 2 444.3 | 372.8 
341 | 261. 2 257. 8 m9 445.1 | 373.5 
42 | 262.0 258. 4 5 445.8 | 374.1 
43 | 262.8 259. 0 2 446.6 | 374.7 
44 | 263.5 259. 7 Lg 447.4 | 375.4 
45 | 264.3 260. 3 .5 448.1 | 376.0 
46 | 265.1 261.0 dl 448.9 | 376.7 
47 | 265.8 261. 6 bu 449.7 | 377.3 
48 | 266.6 262. 3 . 4 450. 4 | 378.0 
49 | 267.3 262. 9 . 0 451. 2 | 378.6 
50 | 268. 1 263. 5 Wd 452. 0 | 379.2 
351 | 268. 9 264. 2 50) 452.7 | 379.9 
52 | 269. 6 264. 8 . 0 453.5 | 380.5 
53 | 270. 4 265. 5 . 6 454.3 | 381.2 
54 | 271.2 266. 1 12 455.0 | 381.8 
55 | 271.9 266. 8 ) 455. 8 | 382.5 
56 | 272.7 267. 4 5 456. 6 | 383. 1 
57 | 273.5 268. 0 2 457. 3 | 383.7 
58 | 274. 2 268. 7 . 8 458.1 | 384. 4 
59 | 275.0 269. 3 5 458. 9 | 385. 0 
60 | 275.8 270. 5 al 459. 6 | 385. 7 
Dist. | Dep. Dep. Lat. 
In Plane Sailing. 
| Forconverting Dep.into Diff. Long.and Diff. Long.into Dep. 
| In Middle Latitude Soe. uy 2 
For converting Dep.into Diff. Long. and Diff. Long.into Dep. 
In Mercator Sailing. uy ‘i uy ; zn 
For multiplication of numbers by sines and by cosines, or 
solution of plane right-angled triangles. 
66806°—38——_7 
