Obviously a farm set, and the dial is similar to other square-dial Crosleys of that time, often referred to as American Overseas. The ones pictured have broadcast plus a short wave band.
http://www.google.com/imgres?imgurl=...MoOBlAeO4q2CAg
http://www.google.com/imgres?imgurl=...HoT7lwfM8umBAg
Here's the schematic from NostalgiaAir but probably adds nothing new to what you have?
http://www.nostalgiaair.org/PagesByM...2/M0003532.pdf