Favorite this☆ Flxible bus, Hewlett-Packard Instrumentation Description: View of a Flxible bus for Hewlett-Packard Instrumentation. Stamped on back: "Oct 29, 1964." Handwritten on back: "Flxible." Details Resource ID: na048246 Subject: Buses Flxible Company Hewlett-Packard Company Photographic prints Date Issued: 1964-10-29 Format: 1 photographic print ; 4 x 5 in. Member of: National Automotive History Collection Filing Location: MS121/VanDegrift, Thomas, 7:13 Rights: Physical rights are retained by DPL. Copyright is retained in accordance with U.S. copyright laws.