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 315
^ marked in specimens of thetwo makers I have before me. Another watch by Graham is in thepossession of Mr. A. Ruskin Severn. With the introduction of the pendulum, and m^ore exact workman- … FiG. 443.—George Graham, 1673-1751.ship and consequent improvem.ent in the performance of timekeepers,the errors arising from expansion and contraction of metals in var5dngtemperatures became mianifest. Graham therefore turned his atten-tion to the best means of preventing irregularity in the going…
Clocks and watches · Clock and watch makers
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