High Quality Content by WIKIPEDIA articles! A major activity in any unit record shop was sorting decks of punch card into the proper order as determined by information punched in the card. The same deck might be sorted differently depending on the processing step. The IBM 80 series Sorters sorted an input deck into one of 13 output pockets depending on the holes punched in a selected column. Original census sorter, 1890, manual. Sorting cards became an issue during the 1900 agricultural census, so Herman Hollerith developed the 1901 Hollerith Automatic Horizontal Sorter., a sorter with horizonal bins. In 1908, he designed the more compact Hollerith 070 Vertical Sorting Machine that sorted 250 cards per minute. The IBM Type 71 Vertical Sorter came out in 1928. It had 12 pockets (bins) that could hold 80 cards. It could sort 150 cards per minute.

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