The Lionel Corp. used its Davenport switcher body for the black No. 41 of 1955-57, the green No. 42 Picatinny Arsenal switcher of 1957, and the white No. 59 Air Force switcher of 1962-63.

Not even in 1950, when the Lionel Corp. had celebrated its golden anniversary, had engineers and marketers joined forces to bring out a unique O or O-27 set. To be sure, the product line for 1950 ...