A lecture on the perpetual motion. Part the First.

London : printed for the author. Sold by T. Evans, Bookseller, Pater-Noster-Row, MDCCLXXI. [1771]

[2],iii,[1],49,[1];[2],43,[1]p. ; 40.

ESTC T111674

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