American horological journal, devoted to practical horology (1869)
Miller, George B · New York, G. B. Miller · leaf 200
balls, B, bya long socket which allows of adjustment byscrewing them in or out from the centre of mo-tion to adjust the momentum, and also to poisethe balance. Their mode of action will be com- prehended at a glance, and needs no description.He acknowledges that the effect depends on thelength and… … B is a light flat brass balance, having fourcross arms. Two compound bars are fixed toit at one end, and the adjusting weights, c c,at the other. D D are the mean time screws.The compound bars are brass exterior and steelinterior. The adjustments for temperature maybe made in two ways, either by…
Clocks and watches
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