Sounding of two Notes. 



Table (continued). 

 Fifth period, from : / (I : 5) to :g' (1 : 6). 



439 



V. s. 

 C:e'=640 



656 

 660 

 664 



748 

 752 

 760 



:768 



■9 



n : 5n-\-m 

 1:5 



Third of double 



octave. 

 Singly audible. 



Still clear. 

 Disappear. 



m 

 



10 

 12 



D. 



Appear. 

 Singly clear. 



Fifth of the 

 double oct. 



Sixth period, from C :g f (1 : 6) to C : 896 v. s. (1 : 7). 



T. S. 



C:/=768 



1:6 



776 

 780 

 784 





884 

 888 

 892 

 896 



1:7' 



Fifth of the 

 double octave, 

 Singly audible. 

 Still distinct. 

 Disappeared. 



m' 





6 





4 





2 











Faintly aud. 

 Quite di- 

 stinct. 

 Pure 1 : 7. 



Seventh period, from C : 896 v. s. (1 : 7) to C : c" (1 : 8). 



V. s. 



C: 896 



900 



904 



1:7 



1016 

 1020 





1024 



1:8 



Pure 1 : 7. 

 Singly audible. 

 Still distinct. 



Disappeared. 



m 

 

 2 

 4 



Perceptible. 

 Quite di- 

 stinct. 

 Third octave. 



Intervals with the fundamental note c( = 256 v. s.). 

 First period, from c :.c (1 : 1) to c : <f (1 : 2). 



v. s. 



n: n-\-m 



c : c=256 



1:1 



264 





272 





280 





c : d=288 



8:9 



296 





304 





312 





c:e = 320 



4:5 



328 





336 





c:/=3413 



3:4 



344 





352 









m 



Unison. 









Singly audible. 





4 



8 

 12 



Simple rattle. 





16 

 20 

 24 



28 



Confused rattle. 



i 



32 



36 

 40 



" 



i 



42-6 

 44 



48 



0-4 

 :> < 



0-4 

 0-6 



0-6 



100 

 96 



92 



88 



85-3 



84 



