Assertion: concertina's bellow | /r/HasProperty | expanded
Facets:
Source sentences:
text: The most obvious characteristic of this particular system is the fact that each individual button produces a different note, depending on whether the bellows themselves are being expanded or compressed.
text: This means that the selected note can be played whether the bellow is compressed or expanded, so a sequential chain of notes can be played without the necessity to alter the direction of the bellow.
text: When the bellows are expanded (pulled) it creates
text: These free reeds consist of narrow tongues of brass riveted by one end to the inside surface of the keyboard,, and having their free ends slightly bent, some outwards, some inwards, the former actuated by suction when the bellows are expanded, the latter by compression.
text: The diatonic button accordion is bisonoric, meaning when a button is pressed, the note sounded changes depending on whether the bellows are being expanded or contracted.
text: These free reeds consist of narrow tongues of brass riveted by one end to the inside surface of the keyboard, and having their free ends slightly bent, some outwards, some inwards, the former actuated by suction when the bellows are expanded, the latter by compression.