Iron, cast in pigs, and old iron and steel

11. Iron, cast, in pipes, beams, rafters and similar articles, for the construction of buildings, and in ordinary manufactures. (See repertory.)

12. Iron, wrought, and steel, in bars, rails and bars of ail kinds, plates, beams, rafters, and other similar articles for construction of buildings.

13. Iron, wrought, and steel, in wire, nails, screws, nuts, and pipes.

14. Iron, wrought, and steel, in ordinary manufactures and wire cloth unmanufactured. (See repertory.)