Parsons, James, Dr.

[Theophrastou tou Eresiou Peri tōn lithōn biblion]. Theophrastus's History of stones. With an English version, and critical and philosophical notes, including the modern history of the gems, &c, described by that author, and of many other of the native fossils / By John Hill. To which are added, two letters: one to Dr. James Parsons, F.R.S., on the colours of the sapphire and turquoise, and the other, to Martin Folkes ... upon the effects of different menstruums on copper.