A scale

A scale

[′ā ‚skāl]
(acoustics)
A system used to filter out sound below 55 decibels; its characteristics are equal to those of the human ear.
References in classic literature ?
He made fine and accurate reproductions of a number of his "records," and then enlarged them on a scale of ten to one with his pantograph.
On a large transparent sheet, compass and square in hand, he was copying what appeared to be a scale of some sort or other.
The oral pain medication is given to you after you answer a nurse's question: "On a scale of 1 to 10 what is your level of pain?
Asked to put the Angels-A's rivalry on a scale of 1-10, with Dodgers-Giants being a 10, Angels manager Mike Scioscia played the ``respect'' card.
More generally, when graded on a scale reflecting a variety of measures of financial and policy commitments to population assistance, 13 of 21 donor countries scored A's and B's, and the rest scored C's and D's.