Tektronix 7A26 Dual Trace Amplifier Vertical Plug-in for 7000-series scop

Tektronix 7A26 Dual Trace Amplifier Plug In for 7000 Series Oscilloscope

Tektronix 7A26 Dual Trace Amplifier

Tektronix 7A26 Dual Trace Amplifier Vertical Plug-in for 7000-series scop

Tektronix 7A26 Dual Trace Amplifier Plug In Unit #9

Tektronix 7B90P Programmable Time Base Plug In **Parts or not working **

Tektronix 7A26 Dual Trace Amplifier Plug In Unit #19

Tektronix Oscilloscope Plugin Module SI-5010 Programmable Scanner