(Variable speed) Drum kymograph without clock motor

(Trommel Kymographion ohne Uhrwerk)
Description: This is a standard Baltzar-style kymograph (see Inside Cover, Fig. 000c). Ludwig-Baltzar kymograph /A>, with a variable-speed transmission but with no motor included. (Expanded caption Copyright 1998, Edward J. Haupt)
(Source: Called Ludwig, thus Baltzar is implied.)
Source of illustration: Zimmermann, E. (1903). XVIII. Preis- Liste über psychologische und physiologische Apparate (p. 56) (p. 59). Leipzig: Eduard Zimmermann.

DESCRIPTORS:
Type: component, recording, continuous response
Stimulus: N/A
System: N/A
Output: graphical time record

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