God, Zangwill claimed, was using America as “a crucible” to melt the “fifty” barbarian tribes of Europe into a metal from which He can cast Americans. Today, the melting pot metaphor is ...

Vacuum induction melting (VIM) uses an induction heating source within a sealed, air-evacuated chamber. Often, crucibles that minimize contamination are used, and combined with the sealed chamber ...

The 5cm by 5cm crucible would've been used to melt gold An ancient crucible that would have been used to melt gold has been found on a building site in Monmouth. Archaeologists believe the melting ...

The crucibles employed should be thoroughly cleaned ... it having been found that castings of bronze and brass give, at the second melting (when the proportions of the metal are correct), a ...

Arc melting furnace can melt metals and alloys at over 3000°C with the aid of the electric arc between the non-consumable tungsten electrode and the copper crucible. Therefore, the arc furnace is a ...