American horological journal, devoted to practical horology (1869)
Miller, George B · New York, G. B. Miller · leaf 123
ort, in which the main weightsshall move in a constantly and uniformly de-creasing ratio as the temperature changes from120° to 32° ; and, on the contrary, shall movein a constantly increasing ratio while the tem-perature changes from 32° to 120°. In order to make myself perfectly understood,I must… … balance, E the weight, X Z the line oi centres.The curved line is an approximation to thedirection in which the weights will move underchange of temperature. In passing from E to32° it runs.directly parallel to the line of cen-tres ; but fromE to 120° it is divergent. (Andlet it be borne in mind…
Clocks and watches
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