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Blawforms for light walls and foundations (1919)

Blaw-Knox Company (Pittsburgh, Pa.) · Blaw-Knox Co. · leaf 8

An illustration from Blawforms for light walls and foundations, 1919, leaf 8
Eight BLAWFORMS FOR LIGHT WALLS AND FOUNDATIONS … Nine BLAWFORMS FOR LIGHT WALLS AND FOUNDATIONS

Building materials · Concrete · Formwork

Internet Archive · Building Technology Heritage Library · Public Domain Mark 1.0. Free to use for anything.

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