Cyanotype with Oxalic

From: Michael Koch-Schulte ^lt;mkochsch@shaw.ca>
Date: 04/06/06-09:47:31 PM Z
Message-id: <027a01c659f5$ffb9bce0$a400a8c0@kitsch>

What's the idea behind some recipes adding a pinch of oxalic acid to traditional A:B cyanotype? Change of colour? Speed?
Received on Thu Apr 6 21:47:49 2006

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