Lot Essay
COMPARATIVE LITERATURE:
Derek Roberts, Continental and American Skeleton Clocks, Schiffer, Pennsylvania, 1989, pp.102-103 & p.106, fig.96.
F.B. Royer-Collard, Skeleton Clocks, NAG Press, London, 1969, p.70, fig.4-9.
Derek Roberts, Continental and American Skeleton Clocks, Schiffer, Pennsylvania, 1989, pp.102-103 & p.106, fig.96.
F.B. Royer-Collard, Skeleton Clocks, NAG Press, London, 1969, p.70, fig.4-9.