(Kontaktuhr nach Bowitsch-Baltzar)
Description: A weight-driven clock with the pendulum adjusted to
cycles of 1 to 60 seconds. The completion of the time leads to
the breaking of a closed sliding bow (Schleife) contact. The
clock is covered with a protective housing and a glass cover.
(Expanded caption Copyright 1998, Edward J. Haupt)
(Source: Langendorff (1893). Physiological Graphik, p.
139, presumably)
Source of illustration: Zimmermann, E. (1903). XVIII. Preis-
Liste über psychologische und physiologische Apparate
(p. 52). Leipzig: Eduard Zimmermann.
DESCRIPTORS:
Type: component, timing, stimulus
Stimulus: N/A
System: N/A
Output: Output: total time, contact closure