London: Printed for Strahan and Cadell, 1777-88. Third Edition of Volume I; FIRST EDITIONS of Volumes II-VI. 284 x 220 mm. (11 1/4 x 8 3/4"). Volumes II and III with errata leaves; all volumes without half-titles. Six volumes.. Early 20th century(?) holland-backed blue-gray paper-covered boards, marbled edges. Engraved frontispiece portrait in volume I, two large folding maps and one smaller folding map (without the portrait in volume II called for by Norton). Front pastedowns with engraved bookplate of John Turner Ettlinger of Magdalen College, Oxford, dated 1947; early ink owner signature to title page or p. 1 of each volume. Norton 22, 23, 29; PMM 222. ◆Paper boards with trivial stains and soiling, some minor chipping to paper at edges, but the (albeit pedestrian) bindings entirely solid and with little wear. A handful of leaves in volumes II and III very foxed, otherwise a beautiful copy internally, the wide-margined leaves especially fresh and clean. According to PMM,…