Margetts's longitude tables; for correcting the effect of parallax and refraction, on the observ'd distance taken between the moon and the sun, or a fixed star, Whereby the True Distance is Accurately Obtain'd, and the Corresponding, Time at Greenwich Found by Inspection.

London : printed for the author, no.42, Penton Street Islington. And sold by Mr. Elmsly Bookseller in the Strand, and Messrs. Gilbert & Wright, opticians Leadenball Street, where the Author will attend in order to give a full Explanation of his Method of finding the Longitude, [1790]

[2],xiip.,tables ; 20.

ESTC T89364

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