France, Delettrez and Brocot, large 3 dimensional marble tambour clock with perpetual calendar and moon phase on the dial, the black slate accented with moldings of green- grey and black variegated marble. With a robust and oversize movement carrying the calendar mechanism between the front plate and the dial, rather than with a separate mechanism & dial, as we commonly see, c1860

Jean-Baptiste Delettrez (J.B.D.), Paris, for W.C. Shaw, Glasgow, mantel clock, 8 day, time and strike, spring driven movement with unusual key setting arbor in the lower front of the dial, black slate Egyptian revival case with gilt dial and accents, the whole surmounted by a gilt sphinx figure.

A white onyx and ormolu mantel clock by JB Delettrez, c1884.