Model of an Artillery Crane; Very nice construction model of a crane; completely rotating around a vertical axis. The hoist; attached to the treadmill's winch; runs through an intermediate disk to a top disk; down through a hoist block with a lead weight; and back to the top.; anonymous; c. 1800 - c. 1830; wood (plant material); brass (alloy); iron (metal); rope; model: h 55.5 cm (max.) x w 30.5 cm x h 67.5 cm packaging capsule: w 59.5 cm x d 38.5 cm x h 67.5 cm