Elements of theoretical and descriptive astronomy, for the use of colleges and academies (1901)
White, Charles J · New York: J. Wiley & sons · leaf 88
s watch, either shortly before or after the observa-tion, is compared with the Greenwich chronometer, and bymeans of this comparison the Greenwich time of the observa-tion is obtained from the time given by the watch. The neces-sary corrections are applied to the sextant reading to obtainthe bodys… … PZ the co-latitude of the place of observation;the latitude being determined by some one ofthe methods already given (Art. 79), m> 1 being /reduced to the time of observation by the run dof the ship given by the log. In the trianglePZS, then, having the three sides given, wecan compute the angle…
Astronomy
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
