Beschreibung:

vii, 226 + pp. 227-423, some illustr. and plates. Orig. half cloth.

Bemerkung:

*Contents: Introduction to a series of studies of Eye Movements by means or kinetoscope photographs. - Fixation of points. - Müller-Lyer Illusion. - Poggerndorff illusion. - Zöllner illusion. - Analysis of Reaction movements. - Tonal reactions. - Preliminary experiments. - Reactions to equal weights of unequel size. - Studies in perceptual development. - Photographic records of convergence and divergence. - Old stamp on title back side, else in good condition.