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Wolfgang Moersch Photochemie
Am Heideberg 48
50354 Hürth
Germany
Tel.: +49-2233-943137
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wolfgang
moersch-photochemie.de
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Tanol Negativentwickler
Efke IR820 in Tanol
print negative on Wephota FO5 by reversal development (SE6 Blue 1+20 and Potassium bichromate bleach)
Cyanotype, short highlight bleach - sodium carbonate 0,1% sol. 15 secs
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Tanol