Anotehr fine iamge from the Life Magazine collection:
<<http://images.google.com/hosted/life/f?q=Freight+source:life&pre
v=/images%
3Fq%3DFreight%2Bsource:life%26hl%3Den%26safe%3Doff&imgurl=f6fffcc6
fe91d891>>

I was drawn to it because of the brakeman but then I noticed the
odd car end
corrugations and arched roof. Wonder if that's enough to
possibly identify
this car class? Experts -- wht do you say?

Dave Nelson