Statistics for occurrence #1 of “Tubal Cain” in chapter 8, entry hammer of Knight's Mechanical Encyclopedia:

... that the hammer was invented by Cinyra, the discoverer of copper-mines in the island of Cyprus. Tools of metal, of which the hammer was among the first, must have been in use for many centuries. Tubal Cain , the descendant in the sixth generation from Cain, was an artificer in brass and iron ; copper, probably, rather than brass. Brass and bronze are not distinguished from each other, by name, eith...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Tubal Cain 25 21 1 1 0 user votes

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