The product is a collection of Southern Pacific Railroad booklets focusing on safety, air brake systems and drawbars, rules and regulations and notices. These booklets were manufactured in the United States and provide valuable insights into the operation and maintenance of the railroad. Perfect for collectors or enthusiasts of railroadiana and trains, these documents offer a glimpse into the history and best practices of the transportation industry. See pictures for condition and details. Show signs of use and wear. Books date from 1976, 1977, 1978 and 1984. Several pages of pullout diagrams