[462ron]

Interesting design in that the plate circuits of the first detector and IF stage take full B+ right from the filament of the 80 rectifier with only small resistances in series of coils and IF transformer. The negative end of the power supply from the center tap of the power transformer going through a series of resistors and the field coil instead of putting the fc in the B+ side, my Philco 37-116 has a similar design!

Ron