Posted by Chuck on January 28, 2000 at 23:38:08:
In Reply to: Re: Re: Mirafone posted by Doug on January 28, 2000 at 23:03:02:
Your tuba was made in 1971. Below is a link to Lars Kirmser's Miraphone serial number list. I don't think that the brand of oil for the rotor bearings matters too much. I know people who use 3-in-1 on them.