Blaw-Knox Company (Pittsburgh, Pa.) · Blaw-Knox Co. · leaf 7
than other forms. The work involved in handling themon ordinary walls is, on the average, including lining up, removing,oiling, and all expense connected with the form work, about one-halfthat of wood forms; and skilled labor, except to direct the work, is notnecessary. They are profitable… … Eight BLAWFORMS FOR LIGHT WALLS AND FOUNDATIONS
Building materials · Concrete · Formwork
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