Revision as of 15:31, 28 January 2022 by ElectroRents(talk | contribs)(Created page with "{{Instrument Sidebar |manufacturer=Tektronix |model=021-0189-00 |class=Peripheral |series=4051 |summary=4051 RS232 Printer Interface |image=021-0189-00_01.jpg |caption=RS232...")