Split Pendulum for optical-chronometric studies

(Spaltpendel für chronmetrische-optische Versuche)
Description: This pendulum hung from angled poles and was used for optical-chronometric studies. For this device, an electromagnet releases the pendulum which simultaneously exposes a visual stimulus and closes a mercury cup contact. (Expanded caption Copyright 1998, Edward J. Haupt)
(Source: Wundt's Physiologische Psychologie, not otherwise cited)
Source of illustration: Zimmermann, E. (1903). XVIII. Preis- Liste über psychologische und physiologische Apparate (p. 23). Leipzig: Eduard Zimmermann.

DESCRIPTORS:
Type: component
Stimulus: pointer positions
System: mental process
Output: reaction time

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