2 Free Photos of Hewlett Packard Calculators

cc-zerofiles uploaded by daderotcomputers in the national museum of american historyhp-9100
Electronic calculator prototype, made by Thomas E. Osborne for Hewlett-Packard, 1964, view 1 - National Museum of American History - DSC00026
self-published workcc-zero
Electronic calculator prototype, made by Thomas E. Osborne for Hewlett-Packard, 1964, view 2 - National Museum of American History - DSC00028
self-published workcc-zero
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