Baltimore, Maryland. The work cards, by means of which constant check is kept on what is being done with each block of Social Security Account Applications, are punched in the Production and Control Section. Each hole in each work or peration, card represents a letter or a numeral. When translated, these give necessary pertinent data for the daily permenent work records of the Social Security Board Records Office in Baltimore. The photograph above shows a worker in the Production and Control Section of the Records Office punching work, or operation cards


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