Experiments and observations on water: particularly on the hard pump water of Manchester. By Thomas Percival, M.D. F.R.S.

London : printed for J. Johnson, in Pater-Noster-Row, MDCCLXIX. [1769]

[10],80p. ; 80.

ESTC T45804

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