American horological journal, devoted to practical horology (1869)
Miller, George B · New York, G. B. Miller · leaf 279
ee pivot C is equal todouble the power exerted at G.With the other plan of con-struction, illustrated by dia-gram 30, the fulcrum is thesame, at F; the power acts verynear it, and the pressure at thepivot C will consequentlyamount to about \ of the powerexerted at G. The difference of pressure… … ference of pressure in the two cases is inthe ratio of the pressure, the advantage tobe attained by this modification, is consider-able, though it must be remembered that thedifference of pressure in the two cases isgreatest when the chain acts at the bottomof the fusee, and diminishes towards the…
Clocks and watches
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