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491: Difference between revisions
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|introduced=1967 | |introduced=1967 | ||
|discontinued=1980 | |discontinued=1980 | ||
|designers= | |designers=Gene Kauffman; | ||
|manuals= | |manuals= | ||
* ''[[Media:070-0598-01.pdf|Tektronix 491 Instruction Manual 070-0598-01 needed]]'' | * ''[[Media:070-0598-01.pdf|Tektronix 491 Instruction Manual 070-0598-01 needed]]'' | ||