American horological journal, devoted to practical horology (1869)
Miller, George B · New York, G. B. Miller · leaf 96
r able to understand it and apply it. Inthe next number of the Horological Journalwill be considered the action of the lever androller. N. Y., Sept., 1870. Chas. Spieo. [figg05 We are requested-by Mr. Spiro tostate that it will not be possible for him totake any more orders, as he expects to… … the quadrant S D into six equal parts, lay theruler at C, and to those parts in the circle,and it will cut the line A B in those points
Clocks and watches
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