Homebrew PCBs

> I  could  not  resist  on  replying  to  this!  I prefer the 
colophony/resin
> disolved  in  the  nitrocelulose thinner as it dries faster than 
disolved in
> alcohol (any kind of - aethanol or methanol or isoprophyl).
> 
> As  for  now,  I've produced (for my needs - this evening) 20 PCBs 
that will
> last  at  least  10  years,  and  the only coating on the copper 
side is the
> colophonium/resin.

Can you tell us more about this ?  

Dave