[NJARC] Atwater Kent question

[TrainBee at aol.com]

I have the AK Model 30 back together and ready to go.  Can someone  verify 
the voltages I should be using and on which tube the metal cap goes  on.  
 
    The schematic I am using calls for the following  voltages:
 
A+    0        Red     (  A+ and B - )
A  -    -6v      Black  
B+    90v     Brown
B  -    0        Red
B+   67½v   White  
B+   22½v   Yellow  
C -    4½v    Green or Blue  depending schematic
 
        
    Current information  sources:    W3NLB schematic, Nostaglia Air, and  
Beitmans.
I have a battery eliminator that can supply adjustable A voltage,  fixed +22, 
45, 67, 90, 135 and adjustable C voltage.
 
Thanks again in advance for your help.
Joe Devonshire