Encara no tenim significats per a "small crucible".
1Powder the regulus in a mortar and transfer to a small crucible.
2After a few minutes of this Prescott took a small crucible of black lead.
3This should be melted down in a small crucible, and the resulting button of lead cupelled.
4The sulphate of iron, put in a small crucible, and lightly calcined, produces a suitable red oxide.
5I'll need a small crucible.
6Daniel flourished his right hand, then pulled off the gold ring and tossed it without ceremony into a small crucible.
7Some common quicksilver, which I put into a small crucible on the fire, was, in less than an hour, converted into very good gold.
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