On June 8, 1887, Herman Hollerith applied for US patent #395,781 for his punch card counting machine, a device considered to be among the foundations of the modern information processing industry and ...
[John Graham-Cumming] might not be the first person to thumb through an old book and find an IBM punched card inside. But he might be the first to actually track down the origin of the cards.
This cast-iron object has a metal base that holds, at the top front, a sheet of plastic with holes in it, marked with the categories of the 1890 U.S. Census of population. In back of this is a holder ...
DURING the past twenty years many successful applications of commercial calculating and accounting machines to scientific computing have been made. About fourteen years ago pioneer work in the ...
This cast-iron object has a metal base that holds, at the top front, a sheet of plastic with holes in it, marked with the categories of the 1890 U.S. Census of population. In back of this is a holder ...
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