10-05-2013, 05:47 PM
That's pretty wild! Radiomuseum dates it around 1954:
http://www.radiomuseum.org/r/rca_4_x_643_rc_1140.html
http://www.radiomuseum.org/r/rca_4_x_643_rc_1140.html
John KK4ZLF
Lexington, KY
"illegitimis non carborundum"