Wundt-style tachistoscope

(Tachistoskop nach Wundt)
This is a device designed to present a visual stimulus for a very short adjustable exposure time by using a gravity operated falling shutter. The onset of the drop (fall) of the shutter is controlled by solenoids. (Expanded caption Copyright 1998, Edward J. Haupt)
(Source: None given.)
Source of illustration: Zimmermann, E. (1903). XVIII. Preis- Liste über psychologische und physiologische Apparate (p. 11). Leipzig: Eduard Zimmermann.

DESCRIPTORS:
Type: demonstration
Stimulus: words, images
System: vision
Output: recognition