vintageTEK · PI, P7, and PI 1 phosphors were al- so available in the 'T321. The stand- ard...
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Transcript of vintageTEK · PI, P7, and PI 1 phosphors were al- so available in the 'T321. The stand- ard...
![Page 1: vintageTEK · PI, P7, and PI 1 phosphors were al- so available in the 'T321. The stand- ard phosphor was changed to P31 in 1962 for higher brightness. The T321 became a T 3210 in](https://reader036.fdocuments.us/reader036/viewer/2022090609/605f4646c4fc6b6bd5074e5a/html5/thumbnails/1.jpg)
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![Page 7: vintageTEK · PI, P7, and PI 1 phosphors were al- so available in the 'T321. The stand- ard phosphor was changed to P31 in 1962 for higher brightness. The T321 became a T 3210 in](https://reader036.fdocuments.us/reader036/viewer/2022090609/605f4646c4fc6b6bd5074e5a/html5/thumbnails/7.jpg)
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