What is the easiest way to expose the affected area of litharge in a ceramic material?

John Paul Bacongco Arellano @John-Paul-Arellano

26 August 2014 1 8K Report

I have a cupel, waste cupel to be exact. I am trying to expose the area in the cupel where litharge absorbed. what is the easiest way in doing this?

Lawrence Margulies

I have no idea.

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