2-color and Wratten info


Roger Kockaerts (roger.kockaerts@chello.be)
Thu, 14 Oct 1999 12:54:52 +0200


Hello all,

Two questions:

- does anyone have information about an two-color process using a cyanotype
image over a conventional silverprint which, after cyanotyping, was bleached
by the mordancage process and tinted in orange?

- who can tell me how to reconstruct the obsolete Wratten filters #28 and
40B with existing filters?

thanks

Roger

  

Roger Kockaerts
pH7 - Permadocument
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