89441A HP and 89441A Agilent

HP/Agilent 1981 Measurement Computation Electronic Instruments + Systems Catalog

Agilent 2001 General Purpose Test Instruments Catalog.

National Instruments 2005 Measurement and Automation Catalog.

HP / Agilent 1989 Test + Measurement Catalog

HP / Agilent Catalogs 1987 1988 1989 1990 1991 1993 1994 1995

HP / Agilent / Keysight 1997 Test + Measurement Catalog, Great Condition!

HP / Agilent 1997-1998 HP Power Products Catalog