Jo Ann Willis David's Fine Violins Lost sectrets
Plein Air Magazine review

"So as not to be "bought," we purchased the mediums and conducted our own experiments.

Originally skeptical, we learned that Fels' theories are indeed valid, and these mediums can be painted, even in the thinnest glaze, wet on wet. ... These mediums will indeed allow plein-air painters to accomplish tasks they thought impossible."

- Plein Air Magazine, October 2004

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