This article is rated C-class on Wikipedia's content assessment scale. It is of interest to the following WikiProjects: | |||||||||||
|
Added Picture
Added picture of trumpet valve stystem. --Katzyxx (talk) 14:00, 1 December 2012 (UTC)
This article is rated C-class on Wikipedia's content assessment scale. It is of interest to the following WikiProjects: | |||||||||||
|
Added picture of trumpet valve stystem. --Katzyxx (talk) 14:00, 1 December 2012 (UTC)