11-25-2020, 06:03 PM
I just entered the # of letters it allowed me and 4 of tubes. it came back with something close, but not exact, a Gamble Skogmo, Inc. model 650 A-B-C . You might have to wade through a bunch of Rider's to find your radio.
https://www.grillecloth.com/sylvania/tub...ubmit&db=5
http://www.nostalgiaair.org/pagesbymodel...007098.pdf
https://www.grillecloth.com/sylvania/tub...ubmit&db=5
http://www.nostalgiaair.org/pagesbymodel...007098.pdf
John KK4ZLF
Lexington, KY
"illegitimis non carborundum"