Sorry for the delay in replying, I only just came online and saw your question. Are you still looking for help with this?
If you are, can you tell me are there any other details on the data plate please?
The plate reads as follows.
Cat. No. AR-18
Serial #(NNN) NNN-NNNN/p>
1575 WATTS 115 vOLTS 50/60 CYCLES- It is now obvious it is a 1941. I am curios as to what it's retail was in 1941 & what it's possible value is now?