In the case of porcelain technology, the process you describe went in reverse: http://en.wikipedia.org/wiki/François_Xavier_d%27Entrecolles http://en.wikipedia.

In the case of porcelain technology, the process you describe went in reverse: http://en.wikipedia.org/wiki/François_Xavier_d%27Entrecolles http://en.wikipedia.org/wiki/François_Xavier_d%27Entrecolles