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Mark Osterman
Leaves
n.d.
Chromium contact print
Private collection of Mark Osterman
LL/117384
(Mark Osterman, 22 January 2022) An example of a chromium contact print as was invented by Mungo Ponton in 1839. Simply a wash of potassium dichromate on paper and printed dry, then washed with water. Very permanent … this example has been on my kitchen wall for twenty years with no appreciable change.
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LuminousLint 
@LuminousLint