Fireproof construction : for houses and other buildings of moderate cost (1911)
National Fire Proofing Company, Pittsburgh · Pittsburgh : National Fire Proofing Co. · leaf 73
JAMB DLOCKS Jamb Blocks and Wall Blocks 4 inches thick and over are supplied in 6 inch and 3 inch heighths.All estimates are made on a lump sum basis and the proper number of special shapes is furnished with• each order. NATCO HOF-LOWTILE 69
Hollow tiles · Building, Fireproof
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