Figure 6 Side chair, New York City, 1660–1700. Maple and oak; original seal skin upholstery. H. 36 3/4", W. 18 3/4", D. 15 1/2". (Courtesy, Old Saybrook Historical Society; photo, Gavin Ashworth.) The ball-and-cove and vase turnings on this chair differ from those on seventeenth-century Boston examples such as figs. 2 and 5. Seal skin was used when leather was unavailable.