Association of American Railroads mechanical division interchange rules 1967

The product is a rule book from the Association of American Railroads (AAR) mechanical division for interchange rules in 1967. This book was manufactured in the United States and likely contains detailed guidelines and regulations for the operation and maintenance of railroad equipment and infrastructure at that time. It would be a valuable resource for collectors of railroadiana and train enthusiasts interested in the history and standards of the industry in the 1960s.