Architects Handbook of Ideal Gas Boilers (A.I.A. File No. 29 f 4)

Softcover 4to, 20pp. No date, ca. 1927 (Other A.I.A. File No. 29 series are advertised in The American Architect that year). Well illustrated, some in color. Styled like a file folder with wider rear wrap, Very Good with small closed tears along the top and protruding edges, upper corner threatening loss. Mild sunning and a touch of foxing to the first and last pages, else clean and fresh. Handsome product illustrations and color cross-section.