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#40
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I believe I've seen X-RAY warnings on original 1B3 tubes from the 50s, especially Philco branded by Sylvania. Don't know when the controversy began with CRT's. My CTC-4 generates about .4 millirems/Hr measured with the Geiger tube directly up to the safety glass, with a pure white screen.
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stromberg6 |
| Audiokarma |
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