American horological journal, devoted to practical horology (1869)
Miller, George B · New York, G. B. Miller · leaf 282
enough toeffect this with the upper one, as the plughas such a long bearing in the cylinder, whilethe lower plug, being restricted in length, hasto be fitted much more closely, and is moretroublesome to get in true centre. The bodyof the cylinder is supposed to be a hollowtube of equal thickness at… … on the locking side a, it follows that therewould be a recoil arising* from the differenceof thickness from a to b ; if the pivots are inthe line of axis of the interior, there can beno injurious action to the tooth which wesuppose has passed c, but the reverse willtake place should the opening of…
Clocks and watches
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