Vtg 1981 Hewlett Packard HP 3000 Computer Systems MPE Software Pocket Guide

Hewlett-Packard HP Personal Calculator Digest Magazine Lot (5) 1977-1980

HP-41CX Owner’s Manual Vol 2 1983 Hewlett Packard Calculator Guide

Vintage 1983 HP3000 Hewlett Packard Training Brochures Lot 4

Hewlett-Packard HP-12C Calculator Owner’s Handbook And Problem-Solving Guide

Hewlett-Packard HP-11C Owner’s Handbook And Problem-Solving Guide

Vintage 1972 Hewlett Packard HP 2100 Computer Microprogramming Guide 5951-3028