Haswell, Charles Haynes, 1809- [from old catalog] · New York, Harper & brothers · leaf 170
o a, C to 1,1 to 2, etc., will measure l-10th of a foot. The several lines A1,a 2, etc., will measure upon the lines kk,ll, etc., 1-100th of a foot; and op willmeasure upon k k,ll, etc., divisions of l-10th of a foot. POLYGONS.To Circumscribe a Pentagon about a Griven Circle—Fig. 2. Divide the… … Note.—Any other polygon may be made in a similarmanner by drawing tangents to the points, first definingthem in the circle. 166 GEOMETRY. To Inscribe a Pentagon in a Gfiven Circle—Fig. 3.(3.) A Draw the diameters, A p and m n, at right angles to each other: bisect o n in r, and with r A describe…
Engineering · Mechanical engineering
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