Tektronix Type R 491 Spectrum Analyzer Rack Handles

Tektronix Type R 491 Spectrum Analyzer Vertical Amp Board Pt.# 670-0506-00

Tektronix Type R 491 Spectrum Analyzer T-Connector

Tektronix Type R 491 Spectrum Analyzer Release Wave Guide

Tektronix Type R 491 Spectrum Analyzer 2-Set Screw Knobs

Tektronix Type R 491 Spectrum Analyzer Module Pt.# 260-0821-00

Tektronix Type R 491 Spectrum Analyzer Module Model F6128-5

Tektronix Type R 491 Spectrum Analyzer Clear Connector Cord 11" W/Gold Fittings