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Artifact Images
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Our National Dime Museum
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The Sorting And Counting Mechanism from The Hollerith Method Of Statistical Tabulation
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The Card Removed From The Press And Deposited In The Sorting-Box from The Hollerith Method Of Statistical Tabulation
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One Of The Counters from The Hollerith Method Of Statistical Tabulation
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Key-Board For Designating Individual Records from The Hollerith Method Of Statistical Tabulation