Wheel & Axle Manual. Standards, Recommended Practices and General Information for such issues by the Association of American Railroads. These were established for railroads to follow in allowing for safe interchange of freight and passenger cars. Detailed data, both illustrated and through charts. for maintaining safe operations. January 1, 1968. 5" x 7 1/2". 202pp. Shipping with a cardboard reinforced envelope via USPS Media Mail. I will also consolidate orders, if requested, to save on shipping costs.
