拍品专文
The great wheel has a ratchet-toothed crown wheel attached, engaging a pivoted steel lever or pointer of uncertain purpose - possibly, it is part of an early instant check device.
细节
A hidden drum and bells eight-air musical box by Ducommum-Girod in stained wood case --21½in.(55cm.) wide, the cylinder 13in. (33cm.) (lacks bells, governor defective)