MACKENZIE, James. The History of Health, and the Art of Preserving it, Edinburgh & London: William Gordon, J. Rivington & Fletcher [and 8 others], 1758, 8°, FIRST EDITION (lightly spotted), contemporary sprinkled calf (lacking front endpaper, rubbed). [Blake p. 281] -- Gilbert BLANE. Observations on the Diseases of Seamen, London: J. Callow, 1803, 8°, later edition, 3 folding tables (margin of last third of book stained), contemporary calf-backed boards (spine restored, quite rubbed). [Norman: "Blane introduced reforms into British naval medicine that effectively eliminated scurvy as a major cause of death among Britsh seamen"] With 3 other works, including A Statistical Report on the Sickness, Mortality, & Invaliding among the Troops in the West Indies (London, 1838). (5)