Re: Safe methods for washing gum prints
Judy, I'm not sure I want to mount my prints for processing, however it is being done very successfully on aluminum with reversible dry mount tissue. In a situation like that I could see vertical development being really space effective. Jack > From: Judy Seigel <jseigel@panix.com> > Reply-To: alt-photo-process-l@usask.ca > Date: Wed, 13 Dec 2006 16:01:04 -0500 (EST) > To: alt-photo-process-l@usask.ca > Subject: Re: Safe methods for washing gum prints > > On Wed, 13 Dec 2006, Jack Brubaker wrote: > >> I will develop back to back and turn them over now and >> then. Mounting them on a rigid substrate would be a great asset in >> developing, it would be possible to develop many print in a vertical tank if >> the tank was set up with grooves in the sides to separate the prints. > > Jack, when I washed prints on a rigid substrate (aside from tendency of > print to pucker on the substrate unless it was fastened with gorilla glue) > I found the backs (undersides) didn't wash, but retained strong dichromate > stain. Removing prints from the substrate while gum was still soft led to > many accidents (tho you may be more adroit in such matters than I), as did > putting wet prints in grooved (or similar) vertical tanks. And once > the print has dried, washing is more difficult & further development > dubious at best. > > My solution (so to speak) is tri-level, or even quarto level trays. For > instance I have a computer table on wheels with four surfaces that will > take trays... I can wheel it nearer or further from the sink. I also have > rigged possibilities for several levels at the sink. All else failing, > trays can go on the floor (so they get stepped in. There are worse > accidents) but if they're large they have to be emptied by bailing. (I > used to siphon in the darkroom, but bailing is less trouble.) The problem > of course is that if I have been so profligate with spreading trays, some > inevitably get lost -- and redisovered only years later. > > Judy. > >
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