American Vitrified Conduit Company : vitrified salt glazed underground and interior conduits, contractors for complete installation of conduit systems. . PATENT APPLIED FOR. IRON SERVICE BOX FOR THREE-WAY CONDUIT, TWO SERVICES. Catalogue No. PATENT APPLIED FOR IRON SERVICE THREE-WAY No. 54. Price

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Keywords: ., bookcentury1800, bookdecade1890, bookidamericanvitr, bookyear1899