nd the jewelpin free and detached from the fork. We have spoken of paper being employed for drawings, butfor very accurate delineations we would recommend the horologicalstudent to make drawings on a flat metal plate, after perfectlysmoothing the surface and blackening it by oxidizing.… … Fig. 9 reduced one-half; that is, the original drawing was made for anescape wheel ten inches in diameter. We shall make a radicaldeparture from the usual practice in making cuts on an enlargedscale, for only such parts as we are talking about. To explain, weshow at Fig. 10 about one-half of an…
Clocks and watches
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