拍品專文
This shelf clock reveals Eli Terry's innovative construction, patented in 1816, of the exterior escapement placed outside of the wooden movement where it was more accesible for maintenance. For a related shelf clocks, see Battison and Kane The Ameican Clock: 1725-1865 (Connecticut, 1973), fig. 43, p. 187; Sack Fine Points of Furniture (New York, 1993), "Superior" category, p.147.