Registration-drum.

(Registriertrommel.)
Description: This one, in contrast to No. 243 A separate drum/A> can be used horizontally or vertically (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

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