I would think the news magazine is the perfect instrument to provide this.
Although the jury may not be the perfect instrument, it is the traditional one.
He was a Stradivarius among performers; a perfect instrument on which you could play anything.
But with Felka she had the perfect instrument of negotiation.
She'd obviously waited for that perfect instrument, had known when it arrived.
The research is expected to take three or four years and its result "will not be a perfect or ideal instrument," he said.
I was painting that rare thing: not some dressed person who has his clothes off, but a kind of perfect instrument.
The dancers, if not all first rank, are perfect creative instruments.
And he had the perfect instrument for the task, right here at hand in the marshes.
But music is a natural language, and the perfect instrument really is the body, the voice.