Methods of finding a true meridian line, useful in placing horizontal sun dials, setting clocks and watches, &c. By William Jones, mathematical instrument maker.

London : printed for W. and S. Jones, No. 135, Holborn, 1795.

8p. : ill. ; 80.

ESTC T12152

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