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61868 Hollerith Tabulator, LEO I (1953)
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Description of Photograph Digital copy of a photograph of the British Tabulating Machines Hollerith Tabulator which was installed on LEO I. Caption: 'Hollerith Tab. Plugboard used to re-arrange output in any desired way on the line. In 2 buffer loads LEO I could print 70 characters anywhere on the line. The tabulator preserved the card listing facility. [ms] Nov 1953'. This image appears in the interactive plan for our Virtual LEO I installation, p46.
Research comments: The Hollerith tabulator could read 200 punched cards per minute. (CM) Provenance Date: November 1953 Physical Description: 1 digital image (jpeg); black & white; image includes original typed caption Archives Hub References: CMLEO/LS/PH/1/61868 NAHCB1-52 Other References: DCMLEO20210214043 Comment on This Photograph This exhibit has a reference ID of CH61868. Please quote this reference ID in any communication with the Centre for Computing History. 
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