Second Method.—From a of the given lineA E draw A c, making any angle with a b.Through b draw b d parallel to a c. Set offfrom A to E as many equal parts, less one, asA B is to be divided into. Set off the samenumber of these parts from b to f. Thendraw the lines g e, h m, i l, r k, and they… … PROBLEM VIII. To cut off from a given line a b, whichsupposed to be very short, any proportionalpart. Suppose, for instance, i^s tV iV &c.,should be required. From the ends a and bdraw AD, B c, perpendicular to a b. Froma to D set off any opening of the compassestwelve times, and the same from…
Design · Decoration and ornament · Art
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