Re: dark gums
After I left the studio last night I realized that I had not specified that the Fabriano Artistico I would recommend is the hot rolled version since it is the smoothest. Jack > From: Jack Brubaker <jack@jackbrubaker.com> > Reply-To: alt-photo-process-l@usask.ca > Date: Wed, 17 Jan 2007 16:54:56 -0500 > To: alt-photo-process-l@usask.ca > Subject: Re: dark gums > > Ilana, > > There is no problem getting dark tones with gum. Most printers use multiple > layers to build up pigment, but not all. Having just looked at gum prints by > the masters from the early 1900s it was clear that they were consistently > printing two layers (perhaps more). Often a gray layer with an exposure long > enough to print all the light tones followed by a black layer to complete > the dark tones (with a shorter exposure). Gum prints a short scale so you > want a fairly thin negative. The old advice is that you should be able to > read through the negative. Try printing on the front of Fabriano Artistico > without size. It is the easiest way to start. If you want to try for more > texture in the print (like a charcoal drawing) use the back side of the same > paper. If you want a smoother gradation of tone you will need to size the > paper. Remember to shrink the paper in a water soak for 20 minutes or so and > hang to dry before printing or your layers will not align since the paper > will have shrunk after the first layer development. > > Jack > >> From: ilana <ilanamahala@adelphia.net> >> Reply-To: alt-photo-process-l@usask.ca >> Date: Wed, 17 Jan 2007 09:51:44 -0500 >> To: alt-photo-process-l@usask.ca >> Subject: dark gums >> >> Hi all, >> I am relatively new to gum printing. My goal is to make dark [brown, black, >> deep blue] monochromatic gum prints. [Some may suggest I use a different >> process, I realize that]. I'm looking for advice/support [if this had been >> talked about in another thread, please direct me] on preparing the >> negatives--in terms of density, contrast and the ink/gum combo to get >> richness and detail. I know it is a matter of testing things but I thought >> any extra advice I could get would be useful. >> >> Thank you, >> ilana swerdlin >> >> >> > > >
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