Walnut, oak, brass, glass, and silver; H. 82.5 in. (209.5 cm), W. 14 1/4 in. (36.2 cm), D. 8 1/4 in. (21.0 cm)
American Philosophical Society (Philadelphia, Pa.), 313.1
The works of this tall case clock are signed by Edward Duffield, a Philadelphia clockmaker who was a close friend of Franklin's.