11-16-2016, 07:34 AM
For what it's worth, I forgot to mention that it could also be a 37-630MX - a mid-season 1937 model that was put together after Philco discontinued the 37-640.
http://www.philcoradio.com/gallery/1937b.htm#ac
http://www.philcoradio.com/gallery/1937b.htm#ac
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Ron Ramirez
Ferdinand IN