Assertion: harmonica's note | /r/HasProperty | played upon telephonic harp
Facets:
value: in boston
type: LOCATION
Source sentences:
text: A battery passed electricity through what is termed a Geitler tube, resembling the letter U, and containing hydrogen gas ; and as the notes were played upon the telephonic harp in Boston, the sound waves or vibrations of music corresponded exactly with the flashes of light of various colors, which were thus given out.