(Registriertrommel.)
Description: A separate drum, like that used for kymographs.
(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. 76). Leipzig: Eduard Zimmermann.
DESCRIPTORS:
Type: Component
Stimulus: N/A
System: N/A
Output: N/A