Re: Tonal inversion (was (Gum) Tonal scale)

Joe,

This may well be the way to check this idea out but as you say it may
introduce something else in the process. I think it would be somewhat
complicated to verify this, with a high degree of certainty in practice.

In my own test, this happened to me as well and as soon as I reduce exposure
a bit it didn't happen. This makes me believe that there could be somekind
of threshold involved but again this is all very speculative on my part.
Maybe someday I'll have the time and the money to investigate crazy idea
like this one.

Thanks
Yves

----- Original Message -----
From: "Joe Smigiel" <jsmigiel@kvcc.edu>
To: <alt-photo-process-l@sask.usask.ca>
Sent: Saturday, December 03, 2005 11:44 AM
Subject: Re: Tonal inversion (was (Gum) Tonal scale)

> >>> gauvreau-yves@sympatico.ca 12/03/05 11:06 AM >>>
> >>... I think it could be caused by heat...<<
>
> I agree. This seems to be plausible explanation for the effect. I'll
> run a couple more tests reducing exposures or perhaps doing intermittent
> ones to keep the negative (test wedge) from overheating and see if that
> has any impact (although I might be introducing some sort of weird
> intermittency effect by doing so).
>
> Joe
Received on Sat Dec 3 11:08:37 2005