Tektronix Type D Plug In Unit High Gain Works

Vintage Tektronix Type 1A1 Dual-Trace Plug-In Unit #A - as/is

Vintage Tektronix Type CA Plug-In Unit - Dual-Trace Calibrated Preamp

UNTESTED Tektronix Type L Plug-In Unit Fast-Rise Calibrated Preamp ~ Made in USA

TEKTRONIX 7A13 DIFFERENTIAL COMPARATOR W/ ORG. MANUAL PLUG IN TESTED WORKING

TEKTRONIX TM502A 2-Slot Plug-In Mainframe Tested and Working

TEKTRONIX 7B10 TIME BASE 1 GHz PLUG IN TESTED WORKING

VINTAGE Tektronix Type 1A1 Dual-Trace Plug-In Unit