This caught my eye because its a project that runs off a tube.
"to the original ECC82 dual triode glowing vacuum tube"
http://www.ccrane.com/science/discovery-toys/radio-ace-vintage-radio-kit.aspx
"to the original ECC82 dual triode glowing vacuum tube"
http://www.ccrane.com/science/discovery-toys/radio-ace-vintage-radio-kit.aspx