A: Washington, District of Columbia, United States
Hollerith's punched card feed "fed cards downward into the unit through a circuit-closing press. Leter, the pins of the sensing unit were replaced by brushes to further speed the flow of information and information punched in the cards began to control the operation of the units. Hollerith had begun to put information on the assembly line" (Austrian, Herman Hollerith, 44).
To improve data processing of the 1900 census, American statistician and inventor Herman Hollerith added an automatic card feed to his electric punched card tabulating machine.