Gracefully aged and well used. This is an instructional manual for the Pennsylvania Railroad's Alternating Current Multiple-Unit Car Equip, specifically focusing on Car #66. This manual provides detailed instructions and rules for operating and maintaining the train car. The document is a collectible piece of railroadiana, offering insight into the operations of the Pennsylvania Railroad in the United States. It is a valuable resource for collectors and enthusiasts of transportation history. Multiple pull outs and diagrams.