Davies, Charles, 1798-1876 · New York, Cincinnati [etc.] American book company · leaf 119
rrespond-ing latitudes and departures, as in annexed table: stations. Bearings. Distances. N. s. E. w. A N60° W 9.72 4.86 8.41 B N 17i° E 7.65 7.31 2.27 C N 15f° W 9.40 9.05 2.55 D N 63f° E 10.43 4.61 9.36 E S 49° E 8.12 5.33 6.13 F S 131° E 8.45 8.22 1.98 G S 16|° E 6.44 6.17 1.86 H 25.83 19.72… … therefore, be 6.11, and its departure 10.64; hence, in the right-angled triangle HP A, PA = 6.11, HP = 10.64; The angle PAH = angle QHA, or the bearing of the course HA. Find PAH, as in preceding ex-ample, thus, AP : PH :: R \ tan PAH; that is, by logarithms, (a.c.) logJP(6.11) = 9.213959 log P^…
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