Plate, punch card, and instructions for Herman Hollerith's Electric Sorting and Tabulating Machine, ca. 1895.
(Herman Hollerith Papers)0230001.gif11/ò*P0001.jpg Êø Plate, punch card, and instructions for Herman Hollerith's Electric Sorting and Tabulating Machine, ca. 1895.
(Herman Hollerith Papers)0230002.gif22/ò*P0002.jpg Êø Plate, punch card, and instructions for Herman Hollerith's Electric Sorting and Tabulating Machine, ca. 1895.
(Herman Hollerith Papers)0230003.gif33/ò*P0003.jpg Êø Plate, punch card, and instructions for Herman Hollerith's Electric Sorting and Tabulating Machine, ca. 1895.
(Herman Hollerith Papers)0230004.gif44/ò*P0004.jpg Êø Plate, punch card, and instructions for Herman Hollerith's Electric Sorting and Tabulating Machine, ca. 1895.
(Herman Hollerith Papers)0230005.gif55/ò*P0005.jpg Êø Plate, punch card, and instructions for Herman Hollerith's Electric Sorting and Tabulating Machine, ca. 1895.
(Herman Hollerith Papers)0230006.gif66/ò*P0006.jpg Êø Plate, punch card, and instructions for Herman Hollerith's Electric Sorting and Tabulating Machine, ca. 1895.
(Herman Hollerith Papers)0230007.gif77/ò*P0007.jpg Êø Plate, punch card, and instructions for Herman Hollerith's Electric Sorting and Tabulating Machine, ca. 1895.
(Herman Hollerith Papers)0230008.gif88/ò*P0008.jpg Êø Plate, punch card, and instructions for Herman Hollerith's Electric Sorting and Tabulating Machine, ca. 1895.
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