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 89
Fig. 64:.—Movements of Figs. 62 and 63. … Fig. 65.—Earlv oval Watch. Fig. 66.—Earlv oval Watch. Portable Timekeepers 73 motion of the wheels being of the cross-bar type, designated byFroissard le foliot and by German writers waag. Anotherfeature, the stackfreed, for equaUsing the power, will be referredto a little further on.
Clocks and watches · Clock and watch makers
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