You are bidding on an original Pennsylvania Railroad Regulations For The Transportation of Explosives And Other Dangerous Articles Applying To Rail Freight Service. Measures 8 inches long by 5 inches wide with 111 pages. Effective December 15, 1950. Light wear and foxing to the covers, I don't see any torn, soiled or missing pages. Please review the pictures carefully as they are part of the description. Be sure to ask questions before bidding. Always glad to combine shipping on multiple purchases.