You can "mouse over" menu items at left to reveal more menu options!
You can get a peek of company radio offeriings by year at the links below:
1940s Arvin Radios
You can "mouse over" menu items at right to reveal more menu options!
The decade of the 40s was effectively divided into three sections:
1940 only saw about 10 new models released. Again, they are desirable collector sets.