Cera colla

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A medieval term for an aqueous emulsion of animal glue and molten beeswax used as an ingredient in aqueous paint binders(Mayer 1969). Modern wax/glue emulsions may include ammonia-saponified beeswax mixed with glue, gum, or casein.

Resources and Citations

  • Ralph Mayer, A Dictionary of Art Terms and Techniques, Harper and Row Publishers, New York, 1969 (also 1945 printing)