Re: Re: GUM TESTING

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From: Don Bryant (dsbryant@mindspring.com)
Date: 07/15/03-09:51:11 PM Z


Chris,

I have one at home if you need it.

Don Bryant
-------Original Message-------
From: "Christina Z. Anderson" <zphoto@montana.net>
Sent: 07/15/03 03:24 PM
To: alt-photo-process-l@sask.usask.ca
Subject: Re: GUM TESTING

>
> Thanks Clay! I was frantic. Now I have to find a 200g weight. It is an
Acculab.

Now, I'll be darned--Katharine's tracking down the issue of trivalent gum
stain is proven right by me, too. I left two prints out longer than
before,
and both stains cleared in both the pot di and am di prints, not only in
the
borders but also perceptibly cleared in the image itself, revealed by a
cooler color balance (and a line of demarcation through the image where
the
black bag covered up the other half of the image).

SO, yes, the sun does bleach out the trivalent chromium; yes it does
bleach
out both dichromates equally--and am di is vindicated again!! YEA!!!
Thanks Katharine!

There is still a remaining very pale, pale blue indication where the stain
was in the way overexposed borders, not enough to bug me, and present on
both dichchromates.

Save yourself time and energy, Bill and stick with pot metabi. OH, but do
test the MT sun...

I'm offline for the week for APIS (Don Bryant says there is a computer in
the lobby of the hotel we are staying at--maybe i'll just have to drink my
morning coffee in the lobby, pajamas on, next to that computer...)
Chris

----- Original Message -----
From: "Clay" <wcharmon@wt.net>
To: <alt-photo-process-l@sask.usask.ca>
Sent: Tuesday, July 15, 2003 7:14 AM
Subject: Re: GUM TESTING

> > Meanwhile, I am really bummed. I had my digital scale in a
> > padded box,
> > which dropped from a height of 5 feet. Now when I try to weigh
> > something it
> > goes immediately to HI so something is jammed.
>
> May be able to help you here, Christina. I had the same thing happen to
> my 200g electronic scale, and after reading the instruction booklet
> (very difficult to do since I am a typical male) I found that if the
> scale immediately goes to 'HI" (I initially thought it was being
> friendly), it needs to be re-calibrated, IF you happen to have an
> acculab GSi200, then what you need to do is chase down a calibrated
> 200g weight. Then turn on the scale and hold BOTH buttons down for
> 7-10 seconds until 200g shows in the display. Then place the
> calibration weight on the pan and wait until the scale finishes
> thinking about things and the arrow appears next to the "g". Now you're
> golden. Of course if you don't have the acculab scale, you're going to
> have to chase down your own instructions. But it probably just needs to
> be re-calibrated.
>
> Good luck
>
> Clay
>

>


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