(Rotations-Apparat für Farbscheiben auf Tischklemme)
Description: This table clamp-mounted apparatus was used to
rotate round stimulus wheels with differing proportions of two
colors to demonstrate the principles of color mixing. (Expanded
caption Copyright 1998, Edward J. Haupt)
(Source: None given.)
Source of illustration: Zimmermann, E. (1903). XVIII. Preis-
Liste über psychologische und physiologische Apparate
(p. 2). Leipzig: Eduard Zimmermann.
DESCRIPTORS:
Type: demonstration
Stimulus: colored, gray, or patterned disks
System: vision
Output: N/A