TABLE 3. 
Difference of Latitude and Departure for 37° (148°, 217°, 323°). 
“In Plane Sailing. 
Lat. Dep. { Dist. Lat. Dep. 
288.3 | 217.3] 421 | 336.2 nal 325. 6 
289.1 337.0 a) 326.2 
289.9 337.8 adh 326.8 
290.7 338. 6 .5 327.4 | 
291.5 339. 4 AG) 328.0 
292.3 340.2 bul 328. 6 f 
293.1 341.0 no) 329.2 } 
293.9 341.8 Bu 329.8 
294.7 342.6 5 330. 4 
295.5 343. 4 .3 331.0 
296.3 344. 2 pal 331.6 
297.1 345.0 of) 332.2 
297.9 345.8 pif 332.8 
298.7 346. 6 .5 333.4 
299.5 347.4 13 334.0 
300. 3 348.2 -L 334. 6 
301.1 249.0 9 335.2 
301.9 349.8 oll 335. 8 
302.7 350. 6 5 336. 4 
303.5 351.4 .3 337.0 
304. 3 352.2 bal 337.6 
305. 1 353.0 ng 338. 2 
305. 9 353.8 ol 338. 8 
306.7 354. 6 .5 339.4 
307.5 355. 4 .3 346.0 
308. 3 356. 2 sil 340. 6 
309. 1 357.0 a9 341.2 
309. 9 357.8 ue 341.8 
310.7 358. 6 .5 342.4 
311.5 359. 4 5G) 343.0 
312.3 360. 2 -L 343. 6 
313.1 361.0 pf) 344.2 
313.9 361.8 ba 344.8 
314.7 | 362.6 5 345.4 
315.5 363. 4 30) 346.0 
316.3 364. 2 nil 346. 6 
317.1 365.0 2.9 347.2 
317.9 365. 8 BU 347.8 
318.7 366. 6 5 348.5 
319.5 367.4 3) 349.1 
320.3 368. 2 pal 349.7 
321.1 369.0 "9 350.3 
321.9 369.8 od 350.9 
322.6 370.6 .5 351.5 
323.4 371.4 Bc) 352.1 
324.2 372.2 al! 352.7 
325.0 373.0 LY) 353.3 
325. 8 373.8 oul 353.9 
326.6 374.6 .5 354.5 
327.4 375. 4 .3 355.1 
328. 2 376.2 gal 355. 7 
329.0 377.0 a) 356.3 
329.8 377.8 Bo 356. 9 
330. 6 378. 6 A) 357.5 
331.4 379.4 .3 358.1 
332.2 380.2 bl 358.7 
333.0 380.9 bY) 359.3 
333. 8 381.7 429.7 359.9 
334. 6 382.5 430.5 360.5 
335.4 383.3 431.3 361.1 
Dep. Dep. Lat. | Dist.| Dep. Lat. 
For converting Dep. into Diff. Long. and Diff. Long.into Dep: 
In Middle Latitude Sailing. 
} Forconvertin into Diff. Long. and Diff. Long.into Dep. 
Sala. 
In Mercator Sai 
For multiplication of numbers by sines and by cosines, or 
solution of plane right-angled triangles. 
