HATTON, Thomas (1757-1774). An Introduction to the Mechanical Part of Clock and Watch Work. In Two Parts. London: T. Longman (and others), 1773. 8° (207 x 130mm). Lacking half title, 18 folding engraved plates (occasional spotting and browning). Contemporary calf gilt neatly rebacked in old style, red morocco lettering-piece (repaired, a few strips worn on lower cover). Provenance: Mark Dineley (armorial bookplate); illegible early signature on front free endpaper. FIRST EDITION.