Figure 22 Tall clock case attributed to David Evans with a thirty-hour movement by Benjamin Rittenhouse, Philadelphia, Pennsylvania, 1788. Dimensions and woods not recorded. (William MacPherson Hornor, Blue Book: Philadelphia Furniture [1931; reprint, Alexandria, Va.: Highland House, 1988], pl. 111.) Benjamin Rittenhouse made the movement as a wedding present for Jonathan and Elizabeth (Rittenhouse) Sergeant. Elizabeth was Benjamins niece.