1 Kings 6:6-8

Darby Translation

⁶ The lowest floor was five cubits broad, and the middle one was six cubits broad, and the third was seven cubits broad; for in the [thickness of the wall of] the house he made resets round about outside, that nothing should be fastened in the walls of the house.

⁷ And the house, when it was being built, was built of stone entirely made ready before it was brought thither; so that there was neither hammer nor axe nor any tool of iron heard in the house while it was being built.

⁸ The entrance to the side-chambers of the middle [floor] was in the right side of the house; and they went up by winding stairs into the middle [floor], and out of the middle into the third.