American horological journal, devoted to practical horology (1869)
Miller, George B · New York, G. B. Miller · leaf 96
e the pro-per hour lines. The smaller subdivisions ofcourse you can construct by subdivision, as inthe other dials. The stile fix on the 6 oclockline, at right angles to the plane of the dial;its height equal to C D. An Erect-Direct Wert Dial is constructedexactly like the east dial, except that… … In drawing dials for planes not direct—thatis, declining to the east or west—it becomesnecessary to ascertain the amount of declina-tion ; and this can be determined by a very AMERICAN HOROLOGICAL JOURNAL. simple instrument, which you can constructyourself. Get a good-seasoned bit of board,exactly…
Clocks and watches
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