Homebrew PCBs

--- In Homebrew_PCBs@yahoogroups.com, "Stefan Trethan"
<stefan_trethan@...> wrote:

> Still- worth a try for sure that breaking fluid.

Brake fluid.

> I added some black ink to the yellow so the effect will be seen on
photos.  
> I tried making photos but it is impossible to see with yellow only
in the  
> picture. Must make some now...

Use a blue LED flashlight, and yellow looks dark.

Steve Greenfield