[JimZ]

I believe the 6 digit code Silvertone used is 100.XXX for the radio which would make it a Stewart Warner build.

Here we go

http://www.radiomuseum.org/r/sears_roeb_4688.html

Scroll down to numeric list here

http://www.radiomuseum.org/forum/silvert...ogs.html#3

Just a guess but Ill bet that chassis isn't too far away from this beast

http://antiqueradio.org/StewartWarner1865Radio.htm

Lotta good info for you there^^^