Archive of the former Yahoo!Groups mailing list: Homebrew PCBs

previous by date index next by date
previous in topic topic list next in topic

Subject: Re: [Homebrew_PCBs] Re: Blackening copper

From: Stefan Trethan <stefan_trethan@...>
Date: 2004-05-12

> I found something at an art store a few years ago called "Liver of
> Sulphur" which I used to blacken copper for antiquing purposes.
>
> No idea what was in it, or where I have the bottle now to check. Google.
>
> Steve
>
>

Read about that too, same lack of idea what it is here.

ST