HENSEL, H. 
15 
u 
0) 
Q. 
J 10 
>» 
u 
c 
01 
cr 
I 5 
Q. 
E 
- 
1 
1 
1 
1 
- 
- 
^« 
s. 
- 
- 
\ 
- 
- 
1 
1 
1 
\ 
1 
\« : 
10 
20 30 
Temperature (°C) 
40 
Figure 12. Frequency of steady discharge in a single 
"cold" fiber in a human subject (No. 18a) plotted against 
constant skin temperature. (Hensel and Boman, I960). 
52 
