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 623
6o6 Old Clocks and Watches and their Makers two coils. The coils were increased to four or five as the advantageof a longer spring was understood, but the very long springs withwhich we are now familiar were not applied till the advent of the
Clocks and watches · Clock and watch makers
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