HP 70004A Spectrum Analyzer Display with HP 70902A, 70903A, & 70900B Modules

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Hewlett Packard HP 70004A Color Display - Spectrum Analyzer Mainframe, Tested

HP Agilent Keysight 70004A Display Mainframe + 70340A Signal Generator 1-20GHz

HP 70004A Display Unit

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HP 70004A Optical Spectrum Analyzer

70004A - HEWLETT PACKARD - DISPLAY UNIT, USED