5Y4G RCA used/good 1948 (48/40 and 53/40)

5Y4G RCA used/good 1948 (48/40 and 53/40)

5Y4G/GT=5Y3GT with pinout scrambled

– Zenith 5S-250 1938
– Zenith 10S669 1942
– Philco 38-4 radio 1938
– Philco 37-650 1937
– Philco 38-62 1938