American horological journal, devoted to practical horology (1869)
Miller, George B · New York, G. B. Miller · leaf 50
the points ; set the compass in A, with anopening greater than half the distance fromA to B, and describe the arc E G; then fromB, as a centre, construct the semicircle EF H ; then, from C produce the arc F H.A straight line through the intersections ofF H, and E G, will meet at T>, which is… … Though the point B draw the line F J ; setone foot of the compass in A, and draw thearc F G; from C, draw the arc G H; from Fand G, draw the arcs which intersect at K,and from G H draw the arcs which intersectat L; from K, through A, draw a line, with thepoint of your compass, prolonged toward O…
Clocks and watches
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