Blaw-Knox Company (Pittsburgh, Pa.) · Blaw-Knox Co. · leaf 15
Fig. 12. Blaw Light Wall Forms on circular caisson construction forPittsburgh Spring Steel Company. Pihl and Miller, contractors … Fig. 13. Blaw Light Wall Forms, three course method, Miami, FloridaGeorge W. Clark, contractor Sixteen BLAWFORMS FOR LIGHT WALLS AND FOUNDATIONS
Building materials · Concrete · Formwork
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