Posted by See what you mean on December 18, 2003 at 06:59:08:
In Reply to: Re: 1291 CC Miraphone picture posted by K on December 17, 2003 at 20:02:01:
I think the tubing in the foreground (which doesn't appear to line-up with the 5th rotor) is from the 4th valve and the 'main' tubing (with the 5th attached) lies behind this; obscured in the photo.
I can't imagine this horn has a dependent 5th valve, particularly when the Bb equivalent doesn't...