(Rotierender Spiegel mit manometrischer Flamme nach König.)
Description: This device appears to be a device for making
properties of speech visible. A flame is provided through a
Bunsen-burner like device, and the alterations of this flame can
be observed. The rotating mirror, turned by a hand gear, serves
to magnify the variations of the flame over distance so that it
can be recorded. On what? (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. 105). Leipzig: Eduard Zimmermann.
DESCRIPTORS:
Type: Component, writing
Stimulus: Air pressure variation
System:
Output: Recording