Bauhaus-Universität Weimar

Titel:
Elementary course in psychological measurements
Person:
Scripture, Edward W.
PURL:
https://digitalesammlungen.uni-weimar.de/viewer/image/lit28736/48/
136 
E. JF. Scripture, 
vision there must then be 100 dots in that ring passing by the tube in one 
second. The neighboring rings will also break up into dots, but the dots 
will appear in motion ; those in which less than 100 pass per second will 
appear to move backward, while those in which there are more will move 
forward. It will sometimes happen that no ring will pass exactly 100 
dots ; a touch on the axle will then slightly diminish the speed. The 
speed of the motor is adjusted by varying the amount of current. 
I'lc. 19. 
d. Manometric flame. Illuminating gas is brought to the front part of a 
capsule (Fig. 20) from which it issues as a small jet ; the size of this jet is 
regulated by a small stopcock. The back of this capsule is formed by a 
thin membrane. Back of this membrane is a small chamber opening into 
ajrumpet-shaped mouthpiece. Upon singing into this mouthpiece the 
membrane is made to vibrate by the vibration of the air producing the 
tone. The gas in the capsule is likewise set in vibration, whereby the 
flame alternates between maximum and minimum of size with every vibra-
        

Nutzerhinweis

Sehr geehrte Benutzer,

aufgrund der aktuellen Entwicklungen in der Webtechnologie, die im Goobi viewer verwendet wird, unterstützt die Software den von Ihnen verwendeten Browser nicht mehr.

Bitte benutzen Sie einen der folgenden Browser, um diese Seite korrekt darstellen zu können.

Vielen Dank für Ihr Verständnis.