Steam & Diesel on the NKP Vol. 4 DVD (not a DVD-R) of classic Nickel Plate Road steam power from 1956 through 1958 from 16mm film by Donald J. Krofta. Augmented by authentic NKP sound recorded by Mr. Krofta's friend Jim Hawk, this volume rounds out the Krofta NKP collection. Over 80 minutes of hard working Berkshires plus a few Mikados and one Hudson make this a great video. Also shown are several Alco PA diesels on passenger trains. Narrated. Includes previews of the first three volumes. Choose either narrated or un-narrated viewing. Also, the DVD has a chapter menu to make it easy to view segments.