maxpudding
100+ Head-Fier
Thank you.
3226824-3
322 = Tung-Sol's EIA number
6824 = Year 1968 week 24
3 = factory
Interesting, while my 1968 tube has green paint, yours has white. So for reasons unknown, these late 1960's 5998s might have either green or white paint.
Ah I see, thank you very much on the explanation of what the manufacturing code means.There’s always something new we learn everyday