A Text-Book of Geodetic Astronomy

ISBN: 9781330364161 出版年：2016 页码：411 John Fillmore Hayford Forgotten Books

Astronomy contains more mathematics than a student can be expected to master thoroughly in that period. Of various other text-books available none seem to fit the special condi tions. In the wording of the book it is tacitly assumed that the observer is in the northern hemisphere. To make the word ing general would require too many circumlocutions.