In the lid of the record player there appears to be a 45 adapter. Since 45's were introduce in 1949 by RCA that would seem to make your player a bit younger, perhaps 13 years... Voice of Music (the company) started in 1944. I believe that you are a proud owner of a Model 560 (1954).
Info and part for Voice of Music products can be found at this site:
http://www.thevoiceofmusic.com/
Wish I knew a how to answer your question... I will be curious to see the expert replies... best of luck in your efforts!