|In 1941 Lionel was was gearing up for war, hence the patriotic red, white, and blue cover. They had started production on precision instruments for the navy, and army. This was also the last great catalog until 1946. Paper pulp with 63 Pages with classic artwork graphics. Features included; US navy-Lionel built equipment, 700E Hudson(also available in kit form, 700K), 701 scale B-6 switcher, 763 hudson(first year in black), first year for 2600 series Madison cars, 250 Hiawatha pass. set, 752W U.P. streamliner, O scale rolling sock, Hellgate bridge and Double OO gauge(kit form too). For the most part this was an upscale catalog, but mostly repete's from the year before. Tough catalog to find in nice condition.