he renting space it consumes. The second is entirely practicable and satisfactory. An iron or steel column is placed within the masonry pier, attached to it by anchors which do not interfere with any difference of expan¬ sion of the metal and masonry, and this column carries the loads of the… … closer or wider intervals, according to the weights to be carried and the length of the beams. The rails are then filled between and cov¬ ered by cement, thus excluding air and water ; another set of beams are laid upon them, somewhat less in area, and so on, the whole forming a solid mass of…
Architecture · Building
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