HUME, David (1711-1776). An Enquiry concerning the Principles of Morals. London: A. Millar, 1751. 12° (161 x 95mm). Half-title and final leaf of advertisements. L3 in uncancelled state. (Occasional light spotting.) Contemporary calf, spine compartments ruled in gilt (extremities a little rubbed). Provenance: J[ohn] Scott (later Lord Eldon; signature at head of front pastedown).