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4551: Difference between revisions
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{{Instrument Sidebar | |||
|manufacturer=Tektronix | |||
|model=4551 | |||
|class=Termina; | |||
|series= | |||
|summary=Light pen system | |||
|image=Image needed.jpg | |||
|caption= | |||
|introduced=1971 | |||
|discontinued=(?) | |||
|designers= | |||
|manuals= | |||
* [https://w140.com/tek_4551_1971_cat.pdf Tektronix 4551 Description in 1971 Catalog (PDF)] | |||
}} | |||
The '''Tektronix 4551''' is a light pen system. | The '''Tektronix 4551''' is a light pen system. | ||