Verse 7
An enlarging, and a winding about - Perhaps a winding staircase that-widened upward as the inner wall decreased in thickness; this wall being six cubits thick; as high as the first story, five from the floor of the second story to that of the third, and four from the floor to the ceiling of the third story: and thus there was a rest of one cubit in breadth to support the stories. - Newcome.