(Pneumograph nach Marey.)
Description: Device for indicating movements of the breast due to
breathing. It is mounted on a spring plate which, when the breath
is expired, returns to its original position. (Expanded caption
Copyright 1998, Edward J. Haupt)
(Source: Langendorff, Physiologische Graphik, p. 232.)
Source of illustration: Zimmermann, E. (1903). XVIII. Preis-
Liste über psychologische und physiologische Apparate
(p. 93). Leipzig: Eduard Zimmermann.
DESCRIPTORS:
Type: Component
Stimulus: Lung moion
System: Pulmonary
Output: Chest volume