HP 59401-90000 1975 Model 59401A Bus System Analyzer Operating Manual.

HP Agilent 8510C Network Analyzer Systems Keyword Dictionary Manual 08510-90280.

HP / Agilent 08558-90076 8558B Spectrum Analyzer Ops/Svc Manual

1973 HP Hewlett Packard Electronics Instruments Catalog Hardback

1976 Hewlett Packard HP electronic instruments measurement hardcover catalog

HP Test and Measurement Catalog 1999 Hewlett Packard

HP Agilent 03724-90004 1983 3724A etc. Baseband Analyzer System Service Manual.

Hewlett Packard HP Agilent 7090A Measurement HP-IB Plotter Plotting System