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 ten thousand makers (1904)
Britten, F. J. (Frederick James), 1843-1913 · London, B. T. Batsford · leaf 63
ned unaltered, and such as were constructed appear to havebeen mostly for public buildings or persons of exalted position. The fact that small clocks and portable clocks are mentioned asexisting in the fourteenth century, seems to have led to thesupposition that the mainspring as a motor was then… … Fig. ^2-—Chamber clock, fifteenthcentury. Bib. Nat. Paris.
Clocks and watches · Clock and watch makers
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