Pittsburgh, PA: The National Association of Sheet Metal Contractors, 1929. First edition. Full Leatherette, embossed cover. Quarto, pp. 768, illustrated with hundreds of scaled line drawings. As New. Item #19105
Probably the best title on the subject, as scarce as it is invaluable for the tradesman, here in a pristine copy. A very hard title to find. Very sturdily bound, which is important for its large size.