Valhalla Scientific 1989-1990 Instrument Catalog.

Keithley 1989-1990 Catalog + Reference Guide

Tektronix 1989-1990 Television Products Catalog

Keithley 1989-1990 Test + Measurement Catalog + Reference Guide

HP 1989/1990 DC Power Supply Catalog w/Electronic Loads

National Instruments Short Form Catalog, Summer 1989, Personal Computer Products

Span Instruments 1989 Semiconductor Catalog.

Vintage Marconi Instruments AFbook1 Product Line Guide Sales Brochure Catalog #G