American Vitrified Conduit Company : vitrified salt glazed underground and interior conduits, contractors for complete installation of conduit systems. . c CO cV a o a:o co 3 a. < 2 UJ H -3 O -4-» a 3 411. PATENT APPLIED FOR. IRON SERVICE BOX FOR SINGLE ROUND SELF-CENTERING CONDUITS, WITH TWO SERVICES. Catalogue No. 52. Price

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Keywords: ., bookcentury1800, bookdecade1890, bookidamericanvitr, bookyear1899