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 540
Fig. 692.—Tompions regulator. Fig. 693.—Barrows regulator. shown in Fig. 692. Below, and attached to a silver disc, graduatedand figured as a guide to regulation, is a pinion which gears withteeth on the outer edge of the circular slide ; from the inner edgeprojects an arm carryingTtwo upright pins… … Fig. G94. spring. The projecting end of the pinion is square, so that itcould be turned by means of a watch key. Mr. Schloss has a clock-watch by Nathaniel Barrow, dating fromabout 1675, in which the outer end of the spring is continued in a 526 Old Clocks and Watches and their Makers. straight…
Clocks and watches · Clock and watch makers
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