HP 08691-90018 1968 RF Units 8691B /8692B /8693B /8694B /8691D Service Manual.

HP Agilent 08691-90021 1968 RF Units 8691A/8692A/8693A/8694A Service Manual.

HP Agilent 08691-90009 1966 RF Units 8691B/8692B/8693B/8694B Service Manual.

HP / Agilent 03591-90001 3591A Selective Voltmeter Operating + Service Manual

HP 08691-90022 RF Units 8691B 8692B 8693B 8694B 8695B Operating & Service Manual

HP Agilent 05325-90007 1968 5325A Universal Counter Operating & Service Manual.

HP 8691B, 8692B, 8693B, 8694B RF Units Operating & Service Manual 08691-90009

HP Agilent 05050-9013 1968 Digital Recorder 5050A Operating & Service Manual.