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A treatise on architecture and building construction (1899)
International Correspondence Schools · Scranton, The Colliery engineer co. · leaf 227
§17 O^ BUILDINGS. 81 50, The connection of the flat wall pipe to the roundpipe, shown in Fig. 11, is a faulty one. The change ofArchitecture · Building
Internet Archive · New York Public Library · Public Domain Mark 1.0. Free to use for anything.
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