New York Central System: Rules of the Operating Department. Effective October, 28, 1956. "The rules herein set forth govern the railroads operated by the New York Central System". Vintage hardcover book, red boards, 6.25" x 4.25", 165 pages. Very good vintage condition with only light handling and shelfwear, does not appear used much, if at all. Still a clean, tight copy. Name sheet on inside cover has not been filled in, still blank. Mildly bumped edges, faint scuffs/marks to cover. See photos.