American horological journal, devoted to practical horology (1869)
Miller, George B · New York, G. B. Miller · leaf 178
h more simple than the former, and isrepresented in Fig. 9. The rim and the dia-metric bar are of steel; in the rim an offsetor recess is made for the compensatingweight; the compound bars a b are a lami-nae of brass interior and of steel exterior ; the AMERICAN HOROLOGICAL JOtmNAL. 171 ends of… … justing weights, were of steel, moving easilythrough a hole in the rim of the balance. Itsoperation is simple. By expansion the com-pound bars became flexed inward, thus with-drawing the compensating weight nearer thecentre. The adjustment .was made by vary-ing the weight as compared with the…
Clocks and watches
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