The explanation commenced with six or more parallel lines at equal distances, and equal length, in an horizontal position to the eye of the audience, Fig. 1; and another set of the same number of lines drawn perpendicular, Fig. 2: these were demonstrated to possess not the slightest character or principle of beauty in them, either as separate lines, or collectively, however many.
Fig. 1.
Fig. 2.
Fig. 3.
Fig. 4.
The next diagram consisted of six or more radiating lines from a centre, Fig. 3, and a corresponding number in an horizontal direction, but of unequal quantities; they diminished like a flight of steps, Fig. 4. It was then shown that the first means of combining the six or more lines, which had been first drawn, so as to please the eye, without creating any geometrical figure, was the radiating principle. Our eye not only can tolerate that union of lines, but receive the impression as pleasing in character; while all lines parallel to each other, being right [p003] lines, and viewed as a flight of steps, or pile of planks, opposite the observer, are disagreeable. Upon the former principle it is, that the rays of the sun, and rays of light generally, are so attractive and beautiful. It is from this circumstance that right lines drawn in an inclined position to the plane of the picture, derive an interest from the angles engendered through the imagination.
Fig. 5.