The repair shop I worked in for years used Ultra Pure Lamp Oil as valve/rotor oil on all brass instruments. It doesn't react with other oils that may already be on the rotor or piston, and therefore doesn't gum up. Great stuff. (I use Hetman on my horn, though. I LOVE that stuff.) Sonja Reynolds _______________________________________________ Horn mailing list [EMAIL PROTECTED] http://music.memphis.edu/mailman/listinfo/horn
