"Can detect infections"@en . . "It is unknown who originally owned this pitch pipe. A pitch pipe is a small device used to provide a pitch reference for musicians without absolute pitch. Although it may be described as a musical instrument, it is not typically used to play music as such."@en . "Unknown"@en . "Blowing"@en . "Chromatic Pitch Pipe"@en . . . . "Pitch Pipe"@en . "None"@en . "150"^^ . "It is unknown who originally owned this pitch pipe. A pitch pipe is a small device used to provide a pitch reference for musicians without absolute pitch. Although it may be described as a musical instrument, it is not typically used to play music as such."@en .