BEAUMONT, William (1785-1853). Experiments and Observations on the Gastric Juice, and the Physiology of Digestion, Plattsburgh: by F.P. Allen, 1833, 8°, FIRST EDITION, 3 wood-engraved illustrations (perforation stamp on title, spotted and browned), modern cloth [Dibner 130; GM 989; Grolier Medicine 61; Grolier/Horblit Science 10; Norman 152; Osler 1972; Sparrow 19; Waller 805; Wellcome II, p. 123] Provenance: Mortimer Frank (bookplate). With a copy of the second edition of the same work (Edinburgh, 1838). (2)