Genesis 4:22

And Zillah, she also bare Tubalcain, an instructer of every artificer in brass and iron: and the sister of Tubalcain [was] Naamah.

Ver. 22. And Zillah bare Tubal-cain.] Perhaps the same that the poets call Vulcan. He was a cunning artificer in brass and iron. Tools they had before, and instruments of iron: how else could they have ploughed the accursed earth? But this man, artem iam inventam excoluit ornavitque, saith Junius; and is therefore called, a whetter or polisher of every artificer in brass and iron. They had the art of it before: but he added to their skill by his invention; he sharply and wittily taught smith's craft; and is therefore by the heathens feigned to be the god of smiths, says another interpreter. a

a Vide Natal. com. Mythol ., lib. ii., cap. 5.