König-style rotating mirror with manometrically (controlled) flame.

(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

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