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This is the balance-wheel from a Savage-escapement watch. George Savage's modification of the lever
escapement has two pins on the roller table instead of one; both deal with locking, one on clockwise
arcs and the other on anti-clockwise. Impulse is provided by the pin on top of the lever (guard-pin)
acting in the cut-out of the roller, which is deeper than usual. This gold wheel probably belongs to
a quality watch of about 1850-60.
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I call this movement ‘The Un-Dead’. It has lost its case, hands, dial and endstone, as well as
a screw or two; the brass parts are black in places and green in others; and yet it runs, a little
weakly but quite steadily and for a full 24 hours. It is a 9-jewel English movement of about 1860.
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