Hardcover. NY, Babcock & Wilcox, 35th Ed., 1920, Book: Very Good, Dust Jacket: None, Hardcover, blue cloth covers stamped in gilt. 335 pages, many b&w engravings and fascinating illustrations of their giant boilers and the customers/buildings that house them. The revised 35h Edition of the catalog which was first published in 1879. Covers with light wear.
 "Steam Its Generation and Use by: N/A")