Model of a Paddle Wheel; Model of a paddle wheel with six moving signs. The axes of the plates are equipped with a double stool that follows a path. The upper half of the trajectory is concentric with the axis of the scoop wheel. The lower half consists of a groove that follows a slightly more pronounced curve; only one end of the crutches passes through this groove; keeping the boards in a vertical position. The crank with which the model can be moved is missing.; anonymous; Liverpool (possibly); 1835; wood (plant material); brass (alloy); h 24.5 cm x w 20.8 cm x d 12.4 cm