HP 851B Spectrum Analyzer Display Section Operating & Service Manual 1965

HP 5263A Time Interval Unit Operating and Service Manual 1966

HP Voltage Divider Probe Model 10004A -!0005A-10006A Operating Note 1968

HP 355C /D /E /F VHF Attenuators Operating Note 1972

HP 419A DC Null Voltmeter Operating and Service Manual 1966

HP 934A Harmonic Mixer Operating Note

HP 11521A Mixer Operating Note 1969

HP 1230A Logic Trigger Operating and Service Manual 1976