Colored papers

(Farbige Papiere)
Description: These papers come in "all" colors of the spectrum in 16 levels, usable for equations/equivalences. Color circles are made from intense pure hue papers without any glossiness. Such papers are delivered as sheets (the image shows 18 disks). The colors can be delivered as sheets, disks of 12 or 20 cm, and also as gray or black sheets. There are also colored gelatine (transparent) disks in 9 colors and partial disks which can be cut to sector shapes. There are also a brightness scale with 25 levels from white to black printed on platinum paper. (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. 9). Leipzig: Eduard Zimmermann.

DESCRIPTORS:
Type: component
Stimulus: color/hue
System: vision
Output: N/A

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