Pittsburgh, PA: National Fireproofing Co., 1927. First edition. Staplebound Wraps. Quarto, pp 6, illustrated with b/w and color drawings. Very Good. Item #20650
This pamphlet highlighted NATCO's hollow building tile, which was economical, dense, strong, protected against fire, didn't need painting, easy to install, and never decayed. The product line is illustrated, along with some simple diagrams for installation. A handsome trade piece.