On 15/04/2010 23:18, Chris Maness wrote:
> On Thu, Apr 15, 2010 at 3:09 PM, Leon Heller<leon355@...> wrote:
>
>> G1HSM
>
>
> I went to my local $.99 store and purchased a cheap picture frame w/ two
> pieces of glass. I used two plastic spring loaded clamps to hold my PCB
> sandwich together. I find those clamps are perfect. I have heard the
> tracing paper trick. I actually have those OH transparency sheets laying
> around because I teach school. But I am stuck doing one at home I will give
> it a try.
>
> Is there a adjustment factor when using tracing sheets instead of
> transparency sheets?
It was a long time ago, but I think it was about the same. It seemed
quite transparent to UV.
Leon
--
Leon Heller
G1HSM