Difference of Latitude and Departure for 25° (155°, 205°, 335°). 
Lat. 
827. 2 
328. 0 
329. 0 
329. 9 
330. 8 
331. 7 
332. 6 
333. 5 
334. 4 
335. 3 
Dep. 
152. 6 
153. 0 
163. 4 
153. 8 
154. 3 
154. 7 
155. 1 
155. 5 
155. 9 
156. 4 
TABLE 3. 
[Page 67. 
Lat. 
490. 3 
491. 2 
492.1 
493. 0 
493. 9 
494.8 
495. 8 
496. 7 
497. 6 
498.5 
Dep. 
228.6 
229. 1 
229.5 
229. 9 
230. 3 
230. 7 
231. 2 
231. 6 
232.0 
232. 4 
336. 2 
337. 1 
338. 1 
339. 0 
339. 9 
340. 8 
341. 7 
342. 5 
343.5 
344, 4 
345. 3 
346. 2 
347. 1 
348. 0 
348. 9 
349. 8 
350. 7 
351. 6 
352. 6 
353. 5 
499. 4 
500. 3 
501. 2 
502. 1 
503. 0 
503. 9 
504. 8 
505. 7 
506. 6 
507.5 
232. 9 
233. 3 
233. 7 
234. 1 
234. 6 | 
235. 0 
235. 4 
235. 8 
236. 2 
236. 7 
508. 4 
509. 3 
510. 3 
511. 2 
512. 1 
513. 0 
513. 9 
514. 8 
515. 7 
516. 6 
237.1 
237.5 
237.9 
238. 4 
238. 8 
239. 2 
239. 6 
240. 0 
240.5 
240. 9 
304. 4 
355. 3 
356. 2 
357. 1 
358. 0 
358. 9 
359. 8 
362. 5 
169. 0 
517.5 
518. 4 
519.3 
520. 2 
621.1 
522.0 
522. 9 
523. 8 
524. 8 
525. 7 
241.3 
241.7 
242. 2 
242. 6 
243. 0 
243. 4 
243.9 
244.3 
244.7 
245.1 
363. 4 
364. 3 
365. 2 
366. 1 
367. 1 
368. 0 
368. 9 
369. 8 
370. 7 
371. 6 
372.5 
373. 4 
374. 3 
375. 2 
376. 1 
377. 0 
377.9 
378. 8 
379. 7 
380. 6 
Dep. 
In Plane Sailing. 
For converting Dep.into Diff. Long.and Diff. Long.into Dep. 
169. 5 
169. 9 
170.3 
170. 7 
171.2 
171.6 
172.0 
172. 4 
172.9 
173.3 
173.7 
174.1 
174.5 
175. 0 
175. 4 
175. 8 
176. 2 
176. 7 
177.1 
177.5 
Lat. 
In Middle Latitude Sailing. 
526. 6 
527.5 
528. 4 
529. 3 
530. 2 
531.1 
532. 0 
532. 9 
533. 8 
534. 7 
245. 5 
246. 0 
246. 4 
246. 8 
247.2 
247.7 
248. 1 
248. 5 
248. 9 | 
249. 3 
In Mercator Sailing. 
) Forconverting Dep.into Dif’. Long.and Diff. Long.into Dep. 
| For multiplication of numbers by sines and by cosines, or 
solution of plane right-angled triangles. 
535. 6 
536. 5 
537. 4 
538. 3 
539. 3 
540. 2 
541.1 
542. 0 
542. 9 
543. 8 
Dep. 
249.8 
250. 2 
250. 6 
251.0 
251.5 
251.9 
252.3 
252. 7 
253. 1 
253. 6 
Lat. 
