Re: UV transparency

Michael J. Coslo (mjc5@email.psu.edu)
Fri, 28 Feb 1997 17:00:32 -0500

>Matt's message & this thread remind me of something seemed strange I
>noticed this week. I was masking around the edges of a gum print. I
>grabbed a piece of thin card, which didn't quite reach, so I filled in
>with a piece of goldenrod paper. Although both areas washed off
>ultimately.....

I have used the Goldenrod paper also in process camera work with
the same results. It is only translucent to u.v. light so I used two or
more sheets placed in the same place in a contact printer, but gave up on
it eventually. I think it is considered a "poor persons rubylith".

mjc5@psu.edu