On Jan 19, 2009, at 11:06 AM, Tom Madden wrote:
Tim mentioned welded ends on the B-50-21. The folio drawing in the
Tom, I have several photos showing B-50-21s with riveted ends:
184715, 185652, and 185679, all built at Albina; and a string of
brand new cars, 184595, 184596, et. seq., built at Omaha in 1938.
This suggests (though doesn't prove) that the cars with welded ends
may have been some or all of the 184000-184899 series built at Omaha