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 94
he engraxing witli the following explanation. Fixed to the mainspring arbor above the top plate is a pinionhaving eight leaves. This gears with a wheel having twenty-fourteeth, which do not (juite fill out the circumference of the wheel, butlea\e a block of two spaces in width which acts as a stop… … Fig. 77. Watch movements with Fig, 78. stackfreed. remainder. There is a groove in the concentric portion of the edge,into which is pressed a roller which is pivoted at the free end of astrong curved spring. When the mainspring is fully wound theroller rests in the curved depression of the cam, and…
Clocks and watches · Clock and watch makers
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