Assertion: stethoscope's head | /r/HasProperty | brass bell
Facets:
Source sentences:
text: Available with double-head (brass bell and flat diaphragm) or rotatable triple-head (brass bell and corrugated diaphragm) chest pieces
text: Available with double-head (brass bell and flat diaphragm) or rotatable triple-head (brass bell and corrugated diaphragm) chest pieces