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

Tektronix 7A26 Dual Trace Amplifier Plug In Unit #1

Tektronix 7A26 Dual Trace Amplifier Scope Plug In Unit Module

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

Tektronix 7A26 Dual Trace Amplifier Plug In Unit #4

Tektronix 7A26 Dual Trace Amplifier Plug In Unit #9

Vtg Tektronix 7A26 Dual Trace Amplifier Plug In for 7000 Series #B2525651

Tektronix 7A26 Dual Trace Amplifier 7000 7584 Oscilloscope Plug-In Module (nice)