American horological journal, devoted to practical horology (1869)
Miller, George B · New York, G. B. Miller · leaf 117
ulumstud be fastened toB, as science andconvenience wouldsuggest. (Sciencesays that centre ofverge motion shouldbe point dattache ofpendulum rod.) Let the plate Bmove on a flange inthe hole of the topplate through which the escape-wheel plays,so that its centre of motion will be the centreof… … pendulum rod again, the clock is in the samebeat. This change is only limited by theslot H, or other impediments to motion ofthe plate B. When adjusted, the plate shouldbe firmly fastened by the thumb-screw E,which should be just below the face of theclock, or perhaps be on the lower edge of…
Clocks and watches
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