FARR, SAMUEL. Philosophical Enquiry into the Nature, Origin, and Extent, of Animal Motion. London: Printed for T. Becket and P.A. D'Hondt, 1771. 8vo, contemporary tree calf; a little dampstaining to preliminaries, some occasional spotting and browning, early owners' signatures on title (one slightly obscuring second printed line). FIRST EDITION, with half-title. NLM/Blake, p. 143.