556: Difference between revisions

No change in size ,  4 July 2018
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title=Tektronix 556 |
title=Tektronix 556 |
summary=50 MHz dual beam scope|
summary=50 MHz dual beam scope|
image=555-crop.jpg|
image=556-crop.jpg|
caption=Tektronix 556 front|
caption=Tektronix 556 front|
introduced=1966 |
introduced=1966 |