Tektronix Oscilloscope Type 2B67 Time Base Plug-In Unit Parts Repair Untested.

Tektronix 7704 A Oscilloscope System Opt 9 W/ 7A19 7A18 7B71 and 7B53A Modules

NOS Tektronix Oscilloscope 7B85 Delaying Time Base Plugin, NOW TESTED Working

TEKTRONIX TYPE 561A OSCILLOSCOPE - 2B67 TIME BASE - 3 LOT ORIGINAL KNOBS

Tektronix Type H Plug In Unit for Oscilloscope w Vacuum Tubes

Tektronix Type H WIDE-BAND CALIBRATED PREAMP Plug-in Unit, Untested

Tektronix 7S11 Sampling Unit plug in for 7000 series oscilloscopes Qty of 2

Fan Panels for Tektronix TDS6154C 15GHz 40GS/s DPO Oscilloscope PARTS/UNTESTED