Catalogue of Structural Steel & Iron for Architects, Engineers & Contractors (1910)
Manitoba Bridge & Iron Works · Manitoba Bridge & Iron Works · leaf 12
cal inasmuch as itenables a large clear opening to be pro-vided which will permit of subsequentalterations to the front of the buidingwithout interference with ithe buildingproper. Whenever it is necessary to support afloor upon girders having a span of morethan thirty feet, either trussed… … LirfLt-i- No, 16—Section through center ofdoorway, store front-
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