1 Kings (Author Compiled by Isaiah and Jeremiah from records of Nathan, Gad, Iddo, Ahijah, Jehu and others.)
7:15And he formeth the two pillars of brass; eighteen cubits is the height of the one pillar, and a cord of twelve cubits doth compass the second pillar.
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.