45 column punch cards
Early 45 column punch cards for tabulating machines embedded the practice of using two digit dates in emerging technology.
Size: 4862px × 2083px
Photo credit: © Photo Researchers / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: 45, card, cards, column, computer, computing, data, early, historic, history, info, information, punch, punched, storage, stored, tech, technology
