U of S | Mailing List Archive | alt-photo-process-l | Re: Gum: earasing a whole layer

Re: Gum: earasing a whole layer

  • To: alt-photo-process-l@usask.ca
  • Subject: Re: Gum: earasing a whole layer
  • From: Judy Seigel <jseigel@panix.com>
  • Date: Wed, 01 Oct 2008 12:39:44 -0400 (EDT)
  • Comments: "alt-photo-process mailing list"
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On Tue, 30 Sep 2008, Dave S wrote:

I have read about it but have never done it. How do you erase a whole layer?
You keep brushing and brushing and brushing? And do you use a soft brush or a
harder, bristle brush?
If it's cyanotype a coat of alkali (like sodium carbonate) could (at least theoretically) do it.