cool things with wheels since 2006
Man I wish that was a color print. Looks like the engine wheel setup is a 4-2-4, with is rather unusual. Oh, that's one badass cow catcher on the front.
there are probably some color photos online somewhere, a hell of a lot of people went to the 1939 World Fair
The little guy is still around...gorgeously restored, it's at the California Railroad Museum in Sacramento. It was used in the construction of the Transcontinental Railroad and retired in 1900. I've seen it- it's really a tiny little thing.https://www.californiarailroad.museum/visit/exhibits