Verses with the word furnaces in the Old Testament (2 verses):

Nehemiah 3:11
Malchijah the son of Harim, and Hashub the son of Pahathmoab, repaired the other piece, and the tower of the furnaces.

Nehemiah 12:38
And the other company of them that gave thanks went over against them, and I after them, and the half of the people upon the wall, from beyond the tower of the furnaces even unto the broad wall;