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Superior 450 schematic
#1

I need a schematic for this tube tester.
#2

I have never seen anything other than instructions and data for the 450/450A.

Dale H. Cook, GR/HP/Tek Collector, Roanoke/Lynchburg, VA
https://plymouthcolony.net/starcity/radios/
#3

If anyone has one of these i need interior pics especially
The bottom of the tube socket. Thanks.




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