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Artifact Images
- The New Census Of The United States -- The Electrical Enumerating Mechanism
- The Sorting And Counting Mechanism from The Hollerith Method Of Statistical Tabulation
- The Card Removed From The Press And Deposited In The Sorting-Box from The Hollerith Method Of Statistical Tabulation
- One Of The Counters from The Hollerith Method Of Statistical Tabulation
- Key-Board For Designating Individual Records from The Hollerith Method Of Statistical Tabulation