Thread: Zenith TV date and tube code discrepancy?
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Old 10-23-2008, 09:00 AM
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Tom Bavis Tom Bavis is offline
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Join Date: Jun 2002
Location: Macedon NY
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69-13 usually means "1969, first quarter". Some dated by actual week, but many just used weeks 13, 26, 39, 52.
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