These railroad operational films were created for railroad workers as training tools. You'll see fascinating films such as 1937's The Iron Horse Gets Asthma, which describes how a steam engine can become air-deprived by incorrect firing and how to fix the problem; How to Remove Railroad Wheels, which tells how to repair and replace tank car wheels; Railroadmen at Work, about repairing and replacing rails; and Crash Testing Oil Tankers, which documents manufacturer impact and spill tests. You also get a collection of short railroad films and newsreels from the 1930s and '40s. Color and B&W,1 hr. 37 min.