Tektronix 7S11 Sampling Unit Plug-In Module Vintage Oscilloscope UNTESTED B.2

Tektronix 2235 100-MHz Oscilloscope Laboratory Benchtop Portable Testing Unit

Tektronix Type 80 Vertical Amplifier Plug-In Unit Vintage Oscilloscope Mod B.62

Tektronix TDS 524A Color Two Channel Digitizing Oscilloscope 500 MHz 500MS/s

Tektronix Type L Plug-In Unit Oscilloscope Vertical Amplifier Module B.75

Tektronix Type 53K 54K Fast Rise Calibrated Preamp Plug-In Unit B.129

Tektronix Type 86 Plug-In Unit High Gain Fast Rise Calibrated DC Preamp B.26

Tektronix 2246A 100MHz Oscilloscope Laboratory Benchtop Portable Testing Unit