They didn't have computers, but they did have card machines. https://www.ww2online.org/image/large-replica-punch-cards-bureau-supplies-and-accounts-uses-help-m

They didn't have computers, but they did have card machines. https://www.ww2online.org/image/large-replica-punch-cards-bureau-supplies-and-accounts-uses-help-manage-complex-tasks-it https://www.ww2online.org/image/large-replica-punch-cards-bu... https://www.columbia.edu/cu/computinghistory/405.html https://www.columbia.edu/cu/computinghistory/405.html https://www.computerhistory.org/collections/catalog/102645467 https://www.computerhistory.org/collections/catalog/10264546... dieselpunk ftw