demonstrated from it's first principles: with all the necessary tables. to which are added the useful theorems of mensuration, surveying, and guaging; with their application to practice.
the seventh edition, revised and corrected by the author, with large additions and alterations
London, printed for Mount & Page, 1765. ppxii 525. a good but well used hardback in a contemporary full calf binding.
lacks free end-papers and half-title. some marginal staining. repaired tear to last leaf.
the penultimate edition of one of the standard 18th century navigation texts, first published in 1730.