ittle over thirty-two degrees. The passing hollow E islocated and defined by drawing the radial line B c from the center Bthrough the intersection of radial line A i with the dotted arc b,which represents the pitch circle of the safety roller. We will namethis intersection the point /. Now the end… … of angular motion of the balance staff, and is embraced on thecircle a between the radial line B k and B o. To delineate theinner face of the horn p of the fork F we draw the short arc g,from A as a center, and on said arc locate at two degrees from thecenter at B the point/. We will designate the…
Clocks and watches
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