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B: Difference between revisions
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|image=Tek type 53 54b.jpeg | |image=Tek type 53 54b.jpeg | ||
|caption=Tektronix Type B | |caption=Tektronix Type B | ||
|introduced= | |introduced=1954 | ||
|discontinued=1971 | |discontinued=1971 | ||
|manuals= | |manuals= | ||