not sure if subject line was the best one I could think of but anyway read on...
I remembered seeing an english captioned photo a long time ago re one JR steam locomotive with two deflectors-mounted headlights looking like eyes and that it was something to do with snowy condition visibility. but then of course I forgot where I had seen the photo and so soon started to forget about it for good..that is till while looking at the links given for actual C11 photos I came across this
http://tsuzuki.photoland-aris.com/japan/9600/9600-6.jpgis there any actual explanations for the two lights instead of the usual single smokestack one?