Hardcover. Condition: Very Good. Dust Jacket Condition: Good. Blank cream boards with cream fabric spine. Includes vellum dust jacket. 12mo - over 6¾ in. - 7¾ in. Minor wear to boards, foxing to endpapers, minor lean to spine yet sewn binding remains solid and strong, interior text and images clean. Dust jacket with loss to 1/3 of lower end of spine with adjacent 1' section of loss at lower front, a few chips to edges. Three mentions of Prof. William John Macquorn Rankine, founding contributor to the science of thermodynamics, particularly focusing on its First Law. Very Good copy in Good dust jacket.