A very easy and short method of finding the true distance between the moon and sun, or a fixed star, for the purpose of determining the longditude. By J. Greensword, Teacher of Navigation, the Lunar Observations, &c. and Master of the United Society's School, in Trinity-Street, Rotherbithe.

London : printed for the author, and sold at Mr. Steel's, Bookseller, Tower-Hill; Messrs. Gilbert, Wright, and Hooke's, Mathematical instrument makers, Leadenhall-Street, London; J. Delahoy's, (kent Printing-Office,) Deptford; and at the author's, as Above-Mentioned. (entered as Stationers Hall.) [1797?]

8p. ; 40.

ESTC T113605

Electronic reproduction. Farmington Hills, Mich. : Thomson Gale, 2003. (Eighteenth century collections online). Available via the World Wide Web. Access limited by licensing agreements.