Sounding of two Notes. 



441 



Table (continued). 



Third period, from c : g' 



(1:3)1 



uO c : c" 



Ci 



4). 







A. 



B. 



E. 



c. 



c. 



a. 



D. 



d. 



* 



v. s. 



n :3n+m 







m 







m' 







<?:?' = 768 



1:3 



Twelfth. 



















776 





Singly audible. 





4 













784 









8 













792 





Eoll. 





12 













800 









16 













808 









20 













816 





Roughness. 





24 













824 





Undisturbed 

 simultaneous 

 sound. 





32 



0-8 











888 









60 





68 







896 



2:7 





1 



64 



X 



0-10 





64 



1 





904 









68 





60 







912 









72 





56 







920 









76 







52 







928 









80 



0-4 





48 







936 









84 



> < 





44 







944 



1:11 





2 



88 



0-4 





40 



1 





984 















20 

 16 





Roughness. 

 Greater 



992 























roughness. 



1000 















12 





Roll. 



1008 













8 





Singly aud. 



1016 















4 







c:c" = 1024 



1:4 



r" 















Double oct. 



Fourtli period, from c : c" { 



1:4) 



to c : e" 



(1 



:5). 



v. s. n:^n-\-m 







m 







m' 







c:c" = 1024 



1:4 



Double octave. 



















1032 





Singly audible. 





4 



0-4 











1148 





Undisturbed 





60 



X 



0-4 





68 



1 





c:d" = 1152 





simultaneous 



i 



64 





64 







1160 





sound . 





68 





60 







1272 















4 





Singly aud. 



c:e" = 1280 



1:5 



















Third of the 

 double oct. 



Fifth period, from c : e" (] 



. :5) i 



;o c : g" 



(1 



:6). 



V. s. 



n : 5n-\-m 







m 







m' 







c:e" = 1280 



1:5 



Third of the 



















1304 





double octave. 

 Singly audible. 





12 













1520 















6 





Audible. 



c:#" = 1536 



1:6 









... 













Fifth of the 

 double oct. 



1 



