CRIPTUR E. 
PLATE VI. 
«-dH 
AAy 
*[0.H 
<-L'oH 
V.' V 
<-[AH 
\ / \ 
W \ / 
A 
/ \, 
Aa-13 9 
140 
V V/-VXA. / V,/~ 141 
\ / 142 
-14 
/ v/V~144 
145 
41 
«-dH 
daiH 
147 
143 
Fig. 37.—Blocks. Fig. 
33.—Whistling. 
Fig. 41. 
Fig. 39.—Whistling with piano. 
-Curves from the Graham record. 
Fig. 40.—Plucked string. 
Curves of Various Sounds