American horological journal, devoted to practical horology (1869)
Miller, George B · New York, G. B. Miller · leaf 72
d for, thependulum would approachnearly perfection. By in-specting the figure, it willbe seen that the compen-sation is effected by redu-cing the effect of the ex-pansion of the brass rod.Taking E to be brass ofany length and securelyfastened to the bar, G, towhich also the two steelrods of the… … 84 AMERICAN HOROLOGICAL JOURNAL. also attached to the brass rod in the centre,3; the two steel rods are attached to the twolevers at some points, say 4 and 5; thesepoints would necessarily be determined bythe difference in expansion. They can bechanged to or from the centre, so that theadjustment…
Clocks and watches
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