Category:Hollerith census machine in the Norsk Teknisk Museum

Media in category "Hollerith census machine in the Norsk Teknisk Museum"

The following 14 files are in this category, out of 14 total.

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  NTM us hollerith counting machine patent 1889 used in norway census 1900 IMG 7472.JPG 2,448 × 3,264; 1.6 MB
  
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  NTM us hollerith counting machine patent 1889 used in norway census 1900 IMG 7473.JPG 2,448 × 3,264; 1.66 MB
  
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  NTM us hollerith counting machine patent 1889 used in norway census 1900 IMG 7474.JPG 2,448 × 3,264; 1.6 MB
  
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  NTM us hollerith counting machine patent 1889 used in norway census 1900 IMG 7475.JPG 2,448 × 3,264; 1.64 MB
  
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  NTM us hollerith counting machine patent 1889 used in norway census 1900 IMG 7476.JPG 2,448 × 3,264; 1.57 MB
  
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  NTM us hollerith counting machine patent 1889 used in norway census 1900 IMG 7477.JPG 2,448 × 3,264; 1.49 MB
  
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  NTM us hollerith counting machine patent 1889 used in norway census 1900 IMG 7478.JPG 2,448 × 3,264; 1.46 MB
  
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  NTM us hollerith counting machine patent 1889 used in norway census 1900 IMG 7479.JPG 2,448 × 3,264; 1.63 MB
  
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  NTM us hollerith counting machine patent 1889 used in norway census 1900 IMG 7480.JPG 2,448 × 3,264; 1.72 MB
  
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  NTM us hollerith counting machine patent 1889 used in norway census 1900 IMG 7481.JPG 2,448 × 3,264; 1.68 MB
  
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  NTM us hollerith counting machine patent 1889 used in norway census 1900 IMG 7482.JPG 3,264 × 2,448; 1.73 MB
  
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  NTM us hollerith counting machine patent 1889 used in norway census 1900 IMG 7483.JPG 3,264 × 2,448; 1.76 MB
  
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  NTM us hollerith counting machine patent 1889 used in norway census 1900 IMG 7493.JPG 3,264 × 2,448; 1.6 MB
  
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  NTM us hollerith counting machine patent 1889 used in norway census 1900 IMG 7494.JPG 3,264 × 2,448; 1.49 MB