HP 05375-90005 1970 Model 5375A Keyboard Operating & Service Manual.

HP 03757-90000 1978 Model 3757A Access Switch Operating & Service Manual.

HP 00130-3 Model 425A DC Microvolt-Ammeter Operating and Service Manual

HP 03434-90001 Model 3434A Comparator Operating and Service Manual

HP 01355-2 1966 Model 206A Audio Signal Generator Operating & Service Manual.

HP 08640-90108 Model 8640B Signal Generator Operating & Service Manual.

HP 06299-90001 1966 Model 6299A DC Power Supply Operating & Service Manual.

HP 11668-90003 Model 11668A High-Pass Filter Operating & Service Manual.