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449,323 · Jackson · "Construction of Buildings" · Page 2
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    2. In a building, the beam extending parallel with the building-front having the bottom flange, a sidewalk or illuminating-tiles, the inner edge of which is supported directly upon the outer bottom flange of the beam, a filling-piece interposed between the flange and the sidewalk to form a support for the latter and tapered to correspond with the grade of said sidewalk, together with the riser fitting between the sidewalk and the nosing of the area-cover, substantially as herein described.
    3. In a building, the beam lying parallel with the building-front, forming the offset between the cover of the area-way and the sidewalk, a bottom flange projecting outwardly from said beam, upon which the inner edge of
the sidewalk is supported, with an intermediate filling-piece tapered to correspond with the grade of the sidewalk, a correspondingly-tapered riser extending from the sidewalk-surface to the area-cover between the beam and the nosing of the area-cover, perforations made through the riser, and corresponding perforations made through the web of the beam, substantially as herein described.
    In witness whereof I have hereunto set my hand.
PETER H. JACKSON.
Witnesses:
    S. H. NOURSE,
    H. F. ASCHECK.