Bauhaus-Universität Weimar

Researches on rhythmic action. 
25 
screw (£) with a platinum point is supported by a small metal rod ; 
the point can be placed near the center of the sheet of platinum, so 
that the latter in its vibration will come in contact with the former and 
close an electric circuit. 
The voice key was connected to one of the sockets of a four-socket 
lamp battery and the Deprez marker to the other, so arranged that the 
former made a high tension shunt around the latter.1 The battery ar¬ 
rangement is indicated in Fig. 7 ; A indicates the intensity lamp, B the 
tension lamp, C the socket to which the key is connected, and G the 
socket to which the marker is connected the magnet. The marker re¬ 
corded the results on the smoked surface of a drum which was run by a stor¬ 
age battery. The current of the battery being very constant the drum re¬ 
volved at a uniform speed. The time line was drawn by the 100 v. d. fork. 
With this method the cord vibrations in vowels can be recorded. A 
specimen record is given in Fig. 8 ; the time-line is at the bottom. 
Table XIII. 
Subject. 
Rhythm of speech. 
Scheme : l/-2. 
Average time 
Average time 
Number of 
Ratio 
from I' to 2. 
from 2 to 1'. 
measurements. 
I7 to 2 :2 to I7, 
682 
661 
10 
1.00 :0.98 
689 
690 
10 
I.OO : I.OO 
615 
603 
10 
i.00 :0.94 
696 
673 
10 
i.00 : 0.94 
658 
663 
10 
1.00 : 1.01 
599 
596 
10 
i.00 : i.00 
943 
935 
10 
1.00 : 0.97 
765 
743 
10 
1.00 : 0.97 
733 
714 
IO 
1.00 : 0.97 
K 
Unit of measurement, a = 0.001s. 
Table XIV. 
Rhythm of speech. 
Scheme : 1-2'. 
lbject. 
Average time 
Average time 
Number of 
Ratio 
from I to 2'. 
from 2' to I. 
measurements. 
I to 2' : 2' to I. 
E{ 
691 
846 
10 
0.81 : 1.00 
664 
913 
10 
0.71 : i.00 
M 
575 
649 
9 
0.90 : i.00 
563 
936 
10 
0.89 : 1.00 
B{ 
575 
774 
10 
O.74 : 1.00 
618 
714 
10 
0.86 : 1.00 
Unit of measurement, a = 
O.OOI*. 
1 Scripture, New apparatus and methods, Stud. Yale Psych. Lab., 1896 IV 79.
        

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