38,940
edits
(IBM Customer Engineering Manual - Tektronix oscilloscopes (1960) {{AppNote |Identifier=IBM 223-6725-2 |File=IBM_223-6725-2.pdf |Title=Tektronix oscilloscopes (IBM Customer Engineering Manual) |Authors= |Year=1960 |Links=310, 310A, 531, 531A, 535, 535A, 545A, B, C, CA, D, G }}) |
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