one of the strangest steam locomotives I've ever seen... the Burlington company began around 1912 converting twelve old 4-4-0 locomotives into "Inspection Engines."

CBQ Steam inspection? #360, Galesburg, IL 1905

http://www.northeast.railfan.net/mow22.html

Of course, I found the only two that didn't have the words Inspection Engine on the side, which really give it away

http://transport.castlegraphics.com/thumbnails.php?album=40

Thanks Steve!