281.9 | 108.2 
282.9 | 108.6 
283.8 | 108.9 
284.7 | 109.3]. 
285.7 | 109.7 
286.6 | 110.0 
287.5 | 110.4 
288.5 |110.7 
289.4 | 111.1 
290.3 | 111.5 
291.3 |111.8 
292.2 | 112.2 
293.1 | 112.5 
294.1 |112.9 
295.0 | 113.2 
295.9 | 113.6 
296.9 | 114.0 
297.8 |114.3 
298.7 
TABLE 3. 
Difference of Latitude and Departure for 21° (159°, 201°, 339°). 
338.0 | 129.7 
338.9 | 130.1 
339.8 | 130.4 
130.8 
131.2 
131.5 
393.0 | 150.9 
394.0 | 151.2 
394.9 | 151.6 
395.8 | 151.9 
396.8 | 152.3 
397.7 | 152.7 
398.6 | 153.0 
399.6 | 153.4 
400.5 | 153.7 
401.4 | 154.1 
402.4 | 154.5 
403.3 | 154.8 
404.2 | 155.2 
405.2 | 155.5 
406.1 | 155.9 
407.0 | 156.2 
408.0 | 156.6 
408.9 | 157.0 
409.8 | 157.3 
410.8 | 157.7 
299.7 
300.6 
301.5 
302.5 
303. 4 
304.3 
305.3 }117.2 
306.2 | 117.5 
307.1 |117.9 
308.1 | 118.3 
309.0 | 118.6 
309.9 | 119.0 
310.9 | 119.3 
311.8 |119.7 
312.7 |120.1 
313.7 | 120.4 
314.6 | 120.8 
315.6 {121.1 
316.5 | 121.5 
317.4 |121.8 
318.4 | 122.2 
319.3 | 122.6 
320.2 {122.9 
321.2 | 123.2 
322.1 | 123.6 
323.0 | 124.0 
324.0 | 124.4 
324.9 | 124.7 
325.8 | 125.1 
326.8 | 125.4 
367.8 | 141.2 
368.8 | 141.6 
369.7 | 141.9 
370.6 | 142.3 
371.6 | 142.6 
372.5 | 143.0 
373.4 | 143.3 
374.4 | 143.7 
375.3 | 144.1 
376.2 | 144.4 
377.1 | 144.8 
378.1 | 145.1 
379.0 | 145.5 
379.9 | 145.9 
380.9 | 146.2 
381.8 | 146.6 
382.8 | 146.9 
327.7 |125.8 
328.6 | 126.1 
329.6 | 126.5 
335.2 | 128.7 
336.1 | 129.0 
383.7 |147.3 
384.6 | 147.6 
385.6 | 148.0 
386.5 | 148.4 
387.4 | 148.7 
388.4 | 149.1 
389.3 | 149.4 
390.2 | 149.8 
391.2 | 150.2 
392.1 | 150.5 
Dep. 
411.7 | 158.0 
412.6 | 158.4 
413.6 | 158.8 
414.5 | 1659.1 
415.4 | 159.5 
416.4 | 159.8 
417.3 | 160.2 
418.2 | 160.5 
419.2 | 160.9 
420.1 | 161.3 
421.0 | 161.6 
422.0 | 162.0 
422.9 | 162.3 
423.8 | 162.7 
424.8 |163.1 
425.7 | 163.4 
426.6 | 163.8 
427.6 | 164.1 
428.5 | 164.5 
430.4 | 165.2 
431.3 | 165.6 
432.2 | 165.9 
436.9 |167.7 
437.8 | 168.1 
438.8 | 168.4 
439.7 [168.8] 531 | 495.7— 
440.6 | 169.1 
441.6 | 169.5 
442.5 | 169.9 
443.5 | 170.2 
444.4 | 170.6 
445.3 | 170.9 
446.3 |171.3 
447.2 |171.7 
448.1 | 172.0 
In Plane Sailing. 
For converting Dep.into Diff. Long. and Diff. Long.into De 
In Middle Latitude Soe ie HL Bs 
ey ep.into Dif’. Long.and Diff. Long.into Dep. 
ai 
iling. 
For multiplication of numbers by sines and by cosines, or 
solution of plane right-angled triangles. 
Forconvertin; 
In Mercator 
N. NxXCos. 
Side 
