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 29
Fig. 10.—Self-adjusting Clepsydra, about 200 B.C. Fig. II.— Clepsydra ol the Seventeenth Century. water as it came from the syphon fell into a chambered drum k,which turned with the weight as each compartment became filled. Onthe axis of this drum was placed a pinion-gearing with a contratewheel I,…
Clocks and watches · Clock and watch makers
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