One other thing I may add to this string, (even though the title remains Ice refrigerators)
  in a recent read of Railway Age, it notes that there were only 152 Mechanical reefers in service in 1952.

And so as I am modeling 1953, I see no need to ever purchase a model of one.
        The phrase, rare as hen's teeth - comes readily to mind.                                Jim Dick - St. Paul