Electromagnetic interruptor for continuing current closure (relay)

(Elektromagnetischer Unterbrecher für dauernden Stromschluss)
Description: This is an electromagnetic relay with normally open (III) and normally closed (II) quicksilver (mercury) contacts. It was used to provide a steady closure which controlled the duration of an electrical supply. (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. 27). Leipzig: Eduard Zimmermann.

DESCRIPTORS:
Type:component
Stimulus: N/A
System: N/A
Output: N/A

Return to top of main museum page.

Return to place in the list.