Fig. 52
In this case, however, which is a case of axial balance, the inversion of the group and the turning of the inversion on a center gives no additional attitudes.
51. Among all possible attitudes there are four which are principal or fundamental, which we may distinguish as follows:—
Fig. 53
These principal attitudes are: First, I, the original attitude, whatever it is; second, II, the single inversion of that attitude, to the right on a vertical axis; third, III, the double inversion of the original attitude, first to the right then down; and, fourth, IV, the single inversion of the original position, down across the horizontal axis.
THE ORDER OF HARMONY
IN ATTITUDES
52. The repetition of any relation of positions without change of attitude gives us Harmony of Attitudes.
