Posted by Jack Cain on August 17, 2000 at 22:03:42:
For those of us whose memory isn't what it used to be or never was in the first place - Over at the howstuffworks.com site is a pretty good overview of how Master Cylinders and associated systems works.
The site howstuffworks.com carries a wealth of information if you've ever wondered how things from diesels to jet engines worked.