Hoffmann, Professor, 1839-1919 · London : Frederick Warne · leaf 135
106, we retain the square last formed byway of centre, remove the outer large triangle from the left-hand side, and transfer it, the reverse way up, to the oppositeside. (See Fig. 224.) Again removing the triangle last placedin position, and transferring it (see Fig. 225) to the top of thesquare,… … Fig. 225. the reader to the diagrams following (Figs. 226-233.) Itwill be found that all the designs are constructed on thesame principle, and, by means of a little intelligent analysis,can readily be resolved into their component factors.
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