[sdiy] PCBs

[harry bissell]

Hey this is getting off topic...

why don't you post to the

synth-DIE list, huh ???   ;^P

H^) harry



--- Chromatest Pantsmaker
<chromatest.pantsmaker at verizon.net> wrote:
> 
> 
> John L Marshall wrote:
> > 
> > Etch boards in microseconds - nitric acid +
> sulpheric acid + glycerine
> 
> 
> I think that will nicely etch
> steel-reinforced-concrete just as
> easily... :)
> 
> 


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