5Y4G National Union NOS 1950 era (51/40 and 58/40)
$ 29.99
5Y4G National Union NOS 1950 era small section of getter flaked off glass
51/40
58/40
(5Y4G/GT=5Y3GT with pin-out scrambled)
for:
- Zenith 5S-250 1938
- Zenith 10S669 1942
- Philco 38-4 radio 1938
- Philco 37-650 1937
- Philco 38-62 1938
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