Assertion: flue's diameter | /r/CapableOf | halve inclusive every 1 1/ 3 octaves
Facets:
value: on the seventeenth note
type: TEMPORAL
Source sentences:
text: In the 19th century scaling laws for principal-type pipes emerged which recommended that diameters should halve on the seventeenth note inclusive (every 1 1/ 3 octaves).