A treatise on trigonometry and navigation, containing an explanation of their principles and tables, and a new method of working trigonometry by memory, which is very useful in surveying - Burroughs, Richard (Sold by John C. Totten, no.9 Bowery, 1818)
Keywords: Navigation. / http://id.loc.gov/authorities/subjects/sh85090425; Trigonometry. / http://id.loc.gov/authorities/subjects/sh85137519