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Cupel Mold (pipe section)
A mould made from a pipe section for forming cupels — small porous vessels used in assaying (cupellation) to separate precious metals from base metals. The cupel absorbs molten lead oxide while the gold or silver bead remains.
Kamisheni ya Mtengenezaji: 10%
Waundaji wa michoro hupata asilimia hii wateja wanaponunua kupitia Michoro yao
Free
Bidhaa marejeleo - Inatumika katika ramani na maudhui ya elimu
Inapakia michoro...
