<VV> 69 brake system diagram?

[rbuckridge at comcast.net]

Bryan, I all ready have saved them from cars that passed through my hands on the way to the scrap yard. I have 4 of the dual master cylinders with the switch & pipes. 

Roy - Bayshore 

----------original message--------------- 

This explains why I had brakes on the story I related - the '65 has a complete '69 master cylinder and plumbing installed with that valve. 
We might have another thing to save off any dual master cylinder cars that get parted out.  Not that they are very common in junkyards anymore, but I'll bet that part is common to other drum/drum GM cars of the late '60s and early '70s. 
--Bryan