Re: Colorine safelight bulb dipping paint by Rosco
by "Nicholas O. Lindan" <see@[EMAIL PROTECTED]
>
Oct 14, 2007 at 02:09 PM
"Lloyd Erlick" <Lloyd at @[EMAIL PROTECTED]
dot com> wrote
> Some time ago I posted about a darkroom
> material called Colorine bulb dipping paint,
> ... I held a CD under a safelight .. there was a
> definite blue component. Lights that have
> proved safe reflect no blue light.
> I realize the test is not definitive ...
> but as far as I am concerned these
> lights are not safe
> I'm sorry I brought [up the possibility of
> DIY safelights].
Oh, nooo. Negative knowledge - knowing the
exceptions - is more valuable than positive
as it defines the boundaries.
It is better to know where the dragons lie
then to know of just another place where they
possibly aren't/didn't see any. It is
impossible to prove there isn't a dragon
but easy to prove there is.
--
Nicholas O. Lindan, Cleveland, Ohio
Darkroom Automation: F-Stop Timers, Enlarging Meters
http://www.darkroomautomation.com/index.htm
n o lindan at ix dot netcom dot com