Just curious if anyone knows the meaning of the “H” on the outside of the 2nd valve housing on my ‘67 Besson New Standard 3 valve compensating euph.??
Just curious if anyone knows the meaning of the “H” on the outside of the 2nd valve housing on my ‘67 Besson New Standard 3 valve compensating euph.??
Might have been shipped somewhere that required marking high pitch or low.