Ah,now we're getting somewhere!
What you have is a Sinfonia 3262(also called 194W).
If you search for 194w you'll find that the diagram proposed by NVHR(which is a major site)turns out to be wrong!
The diagram for 3262 at RM.org is correct as far as I can see.
https://www.radiomuseum.org/r/graetz_sinfonia_3262.html
You beat me to it by minutes,Jerry!