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Does anyone else remember the "tube testers" that they used to
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Old Troop
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Tue May-25-10 08:55 PM
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Does anyone else remember the "tube testers" that they used to |
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have in drugstores? You brought in your vacuum tubes from your radio or TV and tested them to see if they need to be replaced and beside the tester there was an array of packaged vacuum tubes you could buy.
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