American horological journal, devoted to practical horology (1869)
Miller, George B · New York, G. B. Miller · leaf 126
ewdays after we had been consulted on a pocketchronometer that was badly sick, and thesymptoms were identical with those afflictingyour patient. It would persist in tripping,especially if the slightest amount of increaseof vibration was given> In this case, onetooth of the escape wheel would… … The above figure gives a rudimentary ideaof the relative positions of the several parts ofthe chronometer escapement. No proportionhas been cared for in the illustration, as theonly object was to show you clearly what hashappened in the tripping, and what damagemay be done to the staff, wheel…
Clocks and watches
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