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Figures (6)

Fig. 1
Fig. 1

A simple color organ.

Fig. 2
Fig. 2

A mobile color motif. The hollow figure shown in the central photograph is, so to speak the theme which passes through various stages as the color score develops. The illusion of depth is strikingly shown in this photograph.

Fig. 3
Fig. 3

This photograph shows a typical motif used by the writer in rendering a mobile color selection. Although the cross-like figure may assume variations of shape, the suggestion of a cross is always discernible. The appendage “A” in the first form is apparently behind the cross while in the second form it has swung around to the side.

Fig. 4
Fig. 4

The disk color organ. This type is not only compact and efficient but it may also be operated automatically.

Fig. 5
Fig. 5

Forms produced by the disk color organ. This type of motif is not so definite in outline but on the screen it is far more effective than the other type.

Fig. 6
Fig. 6

The complete instrument. The interior view, shown by the central photograph, gives some idea of the disposition of the essential parts of the disk organ.