Some of those tube (valve) numbers aren't correct. Maybe date codes?
The model number listed may actually be a serial number?
Enter as much information as you can here. It should come up with model numbers using specific valves.
http://www.grillecloth.com/sylvania/tubelist.php?comp=strong&mod=&Num=8&tube1=6a7&tube2=80&tube3=42&tube4=&ball=&Submit=Submit&db=5
Norm
:I am after circuit diagram for Stromberg Carlson radio.model no. 83745320. The valves used are 1301,6A7,696,62,80,79,21,42.
: Any information regarding this would be appreciated.
:
Thanks for your interest