296 H, W. Poole on the Musical Ratios. 
it is simpler. Yet the waltz movement is perfectly clear to 
most lovers of music. The rhythm which results from joining 
three doublets or two triplets in a single measure gives an 
agreeable variety. 
Although Professor Tyndall remarks that it is not his “vo- 
cation to lead into the musical portion of Acoustics,” it is to 
be wished that so able a man would do so. The physical por- 
tion of musical acoustics, and the definition of musical inter- 
vals have also been omitted by a late lecturer on Harmony at 
pa 
