> > Recent references to Bandmaster harmonicas prompted me to dig out > my old (20 years?) Bandmaster four-octave chromatic last night. I > could hardly get a note out of it. I peered inside and it looks like > the old leather valves have sort of turned to wood. Anybody have any > ideas on how to soften them up?
I don't know about leather valves, but for "regular" leather, a little neatsfoot oil does wonders. I'd try just one and see if it works, and won't hurt the adhesive. But you may well end up replacing them.