Original brick trade vintage catalog for DUNN WIRE-CUT LUG BRICK COMPANY of Conneaut, OH. Manufacturer of Bricks, used for paving streets, highways, private driveways, courts, warehouse, foundry, factory, boiler and and engine room floors, viaduct and bridge floors, street railway work. Bricks have uniform lugs, rough contact surface on the sides, beveled ends, and square edges. Disbound from a large 1916 engineering book, this one page unique technical data specification brochure contains a small amount of residual glue. It would display beautifully matted and framed.