electromagnetical sound-hammer

(electromagnetische Schallhammer)
Description: This apparatus produces a sound by causing a hammer mounted on a prisma-shaped shaft to strike an anvil. It is the equivalent of a telegraph sounder. (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. 31). Leipzig: Eduard Zimmermann.

DESCRIPTORS:
Type: component
Stimulus: sound from hammer striking
System: acoustic
Output: recognition

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