London : Printed and sold by D. Henry and R. Cave, 1760-1754. Hardcover. Very Good. 3 parts bound as 1. Part I: 1760 and Part II: 1762, 3rd edition. Part III, 1754, 1st edition. Fine binding. Bound in modern tree calf leather. Cover leather has been acid stained to approximate a lightning strike. Gilt spine, red and green moroccan leather spine labels. Gilt dentelle. Housed in a custom-made electric blue leather clamshell case. A silver key has been inlaid into the front board of the case. Silver lightning shoots out of the key. Beautiful hand made marbled endpapers in both the book and case. Collated: 86, 1plate., 87-109, 110-154 pp, 1 illustration. Marginal chipping with loss to of title page and end page. Contemporary notations in the margins of Part I reflecting Franklin's later corrections. 4 leaves are in facsimile: p. 13-14, 85-86, the ad page, and the plate in Part I. Printing and the Mind of Man calls Franklin's work "the most important scientific…