negotiable instrument

No matter how admirable or inspiring his message appears to be, it often hits you over the head like a blunt instrument.

I called it a spinet, because it somewhat resembled that instrument, and was played upon in the same manner.

A fancy came into my head that I would entertain the king and queen with an English tune upon this instrument.

Where these overtones are interfered with by any imperfection in the instrument the result is a harsh or imperfect sound.

The sun when he appeareth shewing forth at his rising, an admirable instrument, the work of the most High.

The von Fleischl has long been the standard instrument, but has lately fallen into some disfavor.