Wikimedi'Òc

Hollerith punched card.jpg - Astrochemist

Miss Cowell with Hollerith Machine, 1964.jpg - File Upload Bot (Magnus Manske)

Holerith395782Figures1-6.tiff - ArnoldReinhold

This is a card puncher, an integral part of the tabulation system used by the United States Census Bureau to compile... - NARA - 513295.jpg - Yann

Card puncher - NARA - 513295.jpg - Tony Wills

Tabulating Machine Co org chart.mw.jpg - Flickr upload bot

1890 Census Hollerith Electrical Counting Machines Sci Amer.jpg - Infrogmation

Hollerith Punched Card.jpg - Phrontis

Tabelliermaschine D11 DEHOMAG TSD (2).JPG - Dr. Bernd Gross

Tabelliermaschine D11 DEHOMAG TSD (3).JPG - Dr. Bernd Gross

Tabelliermaschine D11 DEHOMAG TSD (1).JPG - Dr. Bernd Gross

Tabulatrice, selezionarice e perforatrice hollerith - Museo scienza tecnologia Milano D0779.jpg - Federico Leva (WMIT)

Tabulatrice, selezionarice e perforatrice hollerith - Museo scienza tecnologia Milano D0779 1.jpg - Federico Leva (WMIT)

Tabulatrice, selezionarice e perforatrice hollerith - Museo scienza tecnologia Milano D0779 01.jpg - Federico Leva (WMIT)

Tabulatrice, selezionarice e perforatrice hollerith - Museo scienza tecnologia Milano D0779 02.jpg - Federico Leva (WMIT)

Census man using pantograph punch c. 1908.jpg - ArnoldReinhold

1902 Hollerith electric tabulating machine.jpg - ArnoldReinhold

Census pantograph punch.jpg - ArnoldReinhold

New machine to speed up statistics of census of 1940. Washington, D.C., Dec. 2. Back in 1870, it took 7 years to compile statistics from the facts taken by census takers, but in the next 10 LCCN2016876696.jpg - Fæ