Re: Developing sheet film in open-ended PVC tubes

From: William Laven ^lt;wmlaven@platinotype.com>
Date: 03/31/04-04:37:56 PM Z
Message-id: <p06020455bc90f85d2151@[24.5.66.215]>

I never saw Gagliani's negatives, but did see his prints. If the negs
were unevenly developed, he sure as hell beat that in the printing. I
think he may have used a nitrogen burst system, but I don't know how
often it bubbled. Unfortunately, a Google search reveals nothing of
his technique.

>Bill,
>
>I have done stand development, and a lot of it.
>
>Unfortunately there is no way to get completely even development
>with stand development.
>
>For some recent discussions on forms of minimal and stand
>development to to http://www.michaelandpaula.com/mp/index_skip.html
>and look at some of the topics under film development on stand and
>minimal agitation.
>
>Sandy
>
>
>
>>Sandy,
>>
>>IF you want really minimal agitation, why not consider stand
>>development. You need tanks for the film, but many report it's a
>>great technique. Oliver Gagliani swore by it. I used to develop
>>4x5's in hangers and tanks and people always said they got
>>agitation marks and I got none. Paul Caponigro showed me a very
>>gentle technique of lifting the hangers out for very minimal
>>agitation. Worked great. Of course, all these techniques require
>>more hardware than a simple tube in a tray.
>>
>>Bill
>>
>>Bill
>>
>>>Bill,
>>>
>>>>
>>>>BTW, I do all my film work (and print work with Pt/Pd) in Jobo
>>>>drums. While I have a Jobo machine one can use (most of) their
>>>>drums on a plain old Beseler rolling agitator. I don't see the
>>>>advantage of open tubes in trays (in the dark) if one can easily
>>>>use tubes in the light unless there's something I'm missing.
>>>
>>>
>>>Yep, that is exactly what I though when I read that article years
>>>ago. Why bother with open-ended tubes when you can just put caps
>>>on the tubes and have the advantage of daylight processing? But
>>>time passes and we learn. The advantage to the open ended tubes is
>>>that you can cover them with developer (they sink in developing
>>>solution) and develop with minimal agitation procedures.
>>>
>>>It is also an extremely simple solution for those who do not get
>>>even development with tray development and/or who have a
>>>proclivity for scratching or gouging their negatives with shuffle
>>>development.
>>>
>>>
>>>Sandy
>>>
>>>>
>>>>
>>>>
>>>>>Oh, I think I know the article you are referring to. I have also seen it
>>>>>very long time ago but can't remember either. I think it might be in
>>>>>Darkroom Technique (or the name before that), but I thought for
>>>>>Bibliography, you only need to cite the original idea rather than the
>>>>>variations afterward.
>>>>>
>>>>>If I come across it I will let you know.
>>>>>
>>>>>Dave S
>>>>>
>>>>>----- Original Message -----
>>>>>From: "Sandy King" <sanking@clemson.edu>
>>>>>To: <alt-photo-process-l@sask.usask.ca>
>>>>>Sent: Wednesday, March 31, 2004 12:00 PM
>>>>>Subject: Re: Developing sheet film in open-ended PVC tubes
>>>>>
>>>>>> Dave,
>>>>>>
>>>>>> It was not Phil Davis. Phil introduced the BTZS type tubes in his
>>>>>> book Beyond the Zone System but in this type of development the tubes
>>>>>> are capped on each end and and development is carried out in a water
>>>>>> bath with the lights on.
>>>>>>
>>>>>> In the article to which I refer the author recommends placing the
>>>>>> film in open-ended PVC tubes and then developing the films in a tray
>>>>>> containing the developer, with the lights off of course.
>>>>>>
>>>>>> Sandy
>>>>>>
>>>>>>
>>>>>>
>>>>>> >Sandy,
>>>>>> >
>>>>>> >If I remember correctly, it was Phil Davis. The procedure should be
>>>>>> >described in one of his book "Beyond The Zone System." While
>>>>>>this is from
>>>>>> >memory, I think it is correct since the tubes are also known as BTZS
>>>>>> >(abbreviation from the title of the book) tubes.
>>>>>> >
>>>>>> >Dave S
>>>>>> >
>>>>>> >----- Original Message -----
>>>>>> >From: "Sandy King" <sanking@clemson.edu>
>>>>>> >To: <alt-photo-process-l@sask.usask.ca>
>>>>>> >Sent: Wednesday, March 31, 2004 11:26 AM
>>>>>> >Subject: Developing sheet film in open-ended PVC tubes
>>>>>> >
>>>>>> >
>>>>>> >> A number of years ago someone wrote an article that was published in
>>>>>> >> one of the national magazines that described how to develop sheet
>>>>>> >> film in open-ended PVC tubes in trays. This procedure offers some
>>>>>> >> advantages over normal tray development in that it gives
>>>>>>1) very even
>>>>>> >> development with no edge hot spots, and 2) minimizes the possibility
>>>>>> >> of scratching that many experience in shuffle agitation.
>>>>>> >>
>>>>>> >> I am describing this procedure in a current writing
>>>>>>project and would
>>>>>> >> like to give credit to the person who originally suggested the
>>>>>> >> procedure but I am unable to locate it. Can anyone on the list
>>>>>> >> provide any details to help me locate the article.
>>>>>> >>
>>>>>> >> Sandy
>>>>>> >>
>>>>>> >>
Received on Wed Mar 31 16:36:52 2004

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