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Re: Pyro and rotary agitation question
I was just talking to a friend about processing roll films in pyro about 10
minutes ago! She was taught to fill the tank with developer, and with the
film rolled loosely, lift the middle end (does that make sense) of the film
strip out of the solution and keep dunking it for the duration of the dev
time. -Lifting all of the film in and out of course, but keeping it in a
spiral shape. This is all obviously done in complete darkness.
Don't know how effective it is yet. I'm about to start doing tests with pyro
in a week or two...
>From: Darryl Baird <dbaird@flint.umich.edu>
>Reply-To: alt-photo-process-l@sask.usask.ca
>To: Altphoto <alt-photo-process-l@sask.usask.ca>
>Subject: Pyro and rotary agitation question
>Date: Tue, 14 Mar 2000 14:59:35 -0500
>
>Hello list,
>
>I'm currently doing my first real world developing with rollo pyro and
>Tri-X 4x5. I'm wet loading a standard 1 liter metal processing tank
>(thanks Kerik and Carl). I noticed the New Platinum book suggested
>something like 20 -25 rotations per minute. My agitation is performed by
>a Kinderman rotary processor. It's doing 10 rotations a minute and I'm
>wondering if there is anything wrong with this slow speed in terms of
>agitation.?
>
>Also, I'm processing for 10 minutes @ 70 degrees after I got test
>negatives which I deemed too thin at 8 minutes. Of course, I'd never
>seen rollo pyro negatives before last week. They print nicely at Grade 2
>on silver paper. ooops, is this still alt?
>--
>Darryl Baird
>
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