I'm impressed. That second pdf about homemade BP - using the ball mill - is much more thorough than the "green mix" pdf. He seems to know what he's doing - though the "big guys" mill the mix wet - and the end product, unglazed, looks pretty good to the eye.
I wonder how well (clean/dirty) it burns.
The procedures that I am familiar with are at:
http://www.wfvisser.dds.nl/EN/bp_making_EN.html
Pete