FotoDave@aol.com
Mon, 18 Oct 1999 15:06:32 -0400 (EDT)
In general you should use materials compatible to the image coat, for
example, watercolor for gum, same ink for oil prints and the coloring coat,
etc.; otherwise the image coat and the color coat might age differently, so
what looks beautiful to you today might be a disaster a few years from now.
Also, a general principle to avoid/minimize cracking is that each successive
coat should be more flexible than the previous coat, not the other way
around. You can read more about this in Mayer's "The Artists' Handbook."
Dave S
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