How to oil rotary valves
Oiling the rotary valves of french horn, trombone, tuba, or rotary trumpet is easy once you see the steps involved and if you have the various oils for the job.
Please see our blog post here for complete instructions.
Oiling the rotary valves of french horn, trombone, tuba, or rotary trumpet is easy once you see the steps involved and if you have the various oils for the job.
Please see our blog post here for complete instructions.