0 a container in which metals or other substances can be heated to very high temperatures --
2 a place or situation in which different cultures or styles can mix together to produce something new and exciting --
3 a container for melting metals --
Melting does not appear to have taken place in crucibles; rather, cooking pots appear to have been used for small scale operations.
He also refined the use of graphite crucibles, refractory vessels used for melting metallic minerals.
Batches of silver were melted in crucibles with the addition of copper for a subtler alloy.
Then cupellation, crucibles, scorifiers and muffles are described.
Small hand-held ladles might also be crucibles that are fitted with carrying devices.
Oil shale was used for production of shale oil using an early retorting method of heating the crushed oil shale put in crucibles.
In this system, high-purity wrought iron, charcoal, and glass were mixed in crucibles and heated until the iron melted and absorbed the carbon.
Morio uses stars and crucibles in conjunction with his canoes which are associated with sailors and navigation.