Illinois Society of Architects · Chicago · leaf 233
supported on ledges of brickformed by corbeling not less than fourcourses of brick and the upper course shallproject four inches beyond the face of thewall, and the joists shall be protected fromthe bottom to the top of same for the dis-tance of the projection of the corbel by solidbrick work laid…
Architecture · Building · Architects
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
