TABLE 38. 
Difference of Latitude and Departure for 20° (160°, 200°, 340°). 
is] 
e 
i 
5 
226.5 
227.4 
228.3 
229.3 
230. 2 
231.2 
232.1 
233.0 
234. 0 
234, 9 
235.9 
236. 8 
237.7 
238.7 
239.6 
240.6 
241.5 
242, 4 
243, 4 
244.3 
245.3 
246. 2 
247.1 
248.1 
249.0 
250.0 
250. 9 
251.8 
252.8 
253.7 
254. 7 
255. 6 
256.5 
257.5 
258. 4 
259. 4 
260.3 
261.2 
262.2 
263.1 
264.1 
265.0 
265.9 
266.9 
267.8 
| 268. 8 
269.7 
270.6 
271.6 
272.5 L 
273.5 | 99.5 
274.4 | 99.9 
275.3 | 100.2 
276.3 | 100.6 
277.2 | 100.9 
278.1 | 101.2 
279.1 | 101.6 
280.0 | 101.9 
281.0 | 102.3 
281.9 | 102.6 
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In Plane Sailing. 
For converting Dep. into Diff. Long. and Dijf. Long. into Dep. 
In Middle Latitude Sailing. 
For converting eet if. Long. and Diff. Long. into Dep. 
In Mercator Sailing. 
For multiplication of numbers by sines and by cosines, or N. 
Hypote-| Side 
solution of plane right-angled triangles. SDe ‘Adj. 
