Hello
Here is a picture from the maintenance manual with the main radio set used in a C-47 in mid-1944
On top are the two transmitters of the SCR-274N
second row the three receivers of the SCR-274N
Third row the transmitter BC-375 with one of its tuning unit
on the right is the receiver BC-348
If you have questions you can ask because The SNAFU Special is equiped with all this material