Library of Academia Sinica

Author	Irwin, Christopher, d. 1765
Title	A summary of the principles and scope of a method, humbly proposed, for finding the longitude at sea. By Christopher Irwin, Esq [electronic resource]
Imprint	London : Printed for R. and J. Dodsley, in Pall-Mall, MDCCLX. [1760]

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Descript	[2],30p.,plate ; 4⁰
Note	Reproduction of original from Trinity College Library
	English Short Title Catalog, T193009
	Electronic reproduction. Farmington Hills, Mich. : Cengage Gale, 2009. Available via the World Wide Web. Access limited by licensing agreements. s2009 miunns
Subject	Longitude -- Early works to 1800