Instrument
in law, a document or writing, as the means of giving formal expression to an act; a writing expressive of some act, contract, process, or proceeding, as a deed, a contract, a writ, ance for the production of sound. The ance for the production musical instruments employed tion of sound. The divided into the following classes: and second class require no description. are the kettle-drums, great drum, side The pulsatile or percussion instruments are the kettle-drums, great drum, side drum, triangle, cymbals, and tambourine.