B-1947_Office_with_15_Comptometers - copie.jpg Xerox Alto Xerox PARC Alto introducedSmámyndir537920356 (copy) Xerox Alto Xerox PARC Alto introducedSmámyndir537920356 (copy) Xerox Alto Xerox PARC Alto introducedSmámyndir537920356 (copy) Xerox Alto Xerox PARC Alto introducedSmámyndir537920356 (copy) Xerox Alto Xerox PARC Alto introducedSmámyndir537920356 (copy)
Office with 15 Comptometers

https://www.officemuseum.com/calculating_machines_key_driven.htm
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