Herman Hollerith invented a electric tabulating machine. #OnThisDay in 1897, he agreed to conduct the Russian Censu… https://t.co/py8xlcaSUY
Source by U.S. Census Bureau
Herman Hollerith invented a electric tabulating machine. #OnThisDay in 1897, he agreed to conduct the Russian Censu… https://t.co/py8xlcaSUY
Source by U.S. Census Bureau