Search Only Images Visit Image Gallery FAQ page Visit Image Gallery FAQ imggal_sm2.png Fireproof Houses of Natco Download this image Image ID: SIL-SIL-038-47-01 Cite this: National Fire Proofing Company. 1910. Fireproof Houses of Natco Hollow Tile and How to Build Them, Pittsburgh. Supplied Caption: Fireproof Houses of Natco Tag(s): Products and Advertisements Topic(s): Manufacturing industries Download: Image No Copyright - United States Request copy of image How can I use this image?