A theory of pure design

by Denman Waldo Ross

Fig. 29

The central vertical axis is clearly indicated in this case.

Fig. 30

Here, also, the central vertical axis is clearly indicated.

35. All relations of position (directions, distances, intervals), as indicated by dots or points, whether orderly or not, being inverted on the vertical axis, give us an obvious symmetrical balance.

Fig. 31

This is a relation of positions to be inverted.