His researches on the dynamo caused him to devise what he calls an 'harmonic engine.'
The law of harmonic sounds reappears in the harmonic colors.
Art has been defined as "the harmonic expression of the emotions."
In it are the harmonic, melodic, and spiritual germs of modern music.
This volume is an aid to the study of the “Harmonic Series.”
The harmonic telegraph seemed as far away from completion as ever.
It manages to develop a sort of harmonic haze that is very romantic.
The musician causes it to resound because he contains a harmonic power.
It will be found that only at certain places are harmonic notes possible.
Sing-song, a harmonic meeting at a pot-house, a free-and-easy.