1911 Encyclopædia Britannica, Volume 23… (1911)
“ The same vase, to be worked up by embossing, would be filled with “cement” and laid on a sand-bag, and finally the whole would be heated and the cement run out. In the case of repoussé the vase itself may be beaten up out of the metal on the pitch-block. It must be understood that in order to obtain a result not merely excellent in technique but artistic and unmechanical in effect, the blows of the hammer must be made with feeling and “sentiment,” otherwise the result cannot be a work of art. ”
