A brass musical instrument with a flared bell and a bright, penetrating tone. The instrument has tubing looped to form a straight-sided coil, with three valves.

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Remove Mouthpiece Tarnish

I have a fifty year old F.E. Olds & Sons Ambassador cornet. It lay unused for 30+ years (it is now oiled and greased properly). There is considerable tarnish on the mouthpiece and on the slides. ...