DescriptionHollerithMachine.CHM.jpg English: Replica of early w:Hollerith punched card tabulator and sorting box (right) at w:Computer History Museum Date...
DescriptionHollerith census machine.CHM.jpg Herman Hollerith conceived of this machine when traveling on a train with a friend. He noticed that the conductor...
DescriptionHollerith census machine at CHM by Tomwsulcer.jpg English: Hollerith census machine replica, an early tabulating machine, on display at the...
DescriptionCHM Artifacts Hollerith Census Machine pantograph (2376631264).jpg Hollerith Census Machine pantograph Date 16 March 2008, 12:26 Source Hollerith Census...
DescriptionCHM Artifacts Hollerith Census Machine dials (2632673143).jpg Hollerith Census Machine dials Date 2 July 2008, 17:54 Source Hollerith Census Machine dials...
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