r,and the diftance of each Azimuth,from the foote of the ftylevpon the horizontall line, may be found in this man-ner. Confider the length of the ftyle in inches and parts of in-ches, and the diftance of each Azimuth from the ftyle,accor-ding to the angle at the zenith in degrees and minutes. As… … As if it were required to draw the common azimuths onthe South face of the vertical! plane before defcribed, whereAB the length of the ftyle may be fuppofed to be i.o inches.Here the plane hailing no declination , the ftyle is in theplane of the meridian , and fo pointeth direclly into…
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