Old clocks and watches & their makers : being an historical and descriptive account of the different styles of clocks and watches of the past, in England and abroad, to which is added a list of nearly twelve thousand makers (1922)
Britten, F. J. (Frederick James), 1843-1913, Britten, Annie · London : E. & F. N. Spon · leaf 406
Fig. 518.—Breguets Chef-doeuvre, Perpetual or Self-Winding Watch with Gold Movement. Records of Early Makers, Etc. 389 … Fig. 519.—Watch with Synchronous Balances ; two ^Movements in one Case.
Clocks and watches · Clock and watch makers
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