Baltimore, MD. Statistical data of great value in the future will accumulate in the files of the Social Security Board Records Office. To provide easy means of developing and studying this information, without disturbing the permanent records, acturial cards are reproduced from the original employee

Baltimore, Md. For every social security account number issued an "employee master card" is made in the Social Security Board Records Office. Testifying data, given on the application blank, form ss-5 is transferred to this master card in the form of up ended quadrangular holes, punched by key punch

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 translat

Baltimore, MD. Chances of a mechanical error escaping detection are infinitesimal in the Social Security Board Records Office and great care is excercised to guard against human error. After the employee master card has been prepared, and before it is sent on to reproduce an acturial card, indexes

Baltimore, MD. In handling millions of records two things are of great importance: accuracy and speed. Social Security Account numbers are divided according to the area in which the account number was issued, the group within the area, and the serial, or individual number. There are 9,999 individual

Baltimore, MD. To facilitate handling of the individual master card, it is necessary that the identifying information represented by the holes which have ben punched in the card, shall be easily read by the human eye. From the gang punch machine, therefore the master card is taken to an interpreting

Baltimore, Md. 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 operation card represents a letter or a numeral. When translated, th

Baltimore, Md. For each block of 1,000 social security account applications 'work' cards are prepared. One work card is made for each operation incident to seeting up individual accounts and necessary indexes. The photograph above shows a worker in the Social Security Board Records Office at work at

Baltimore, MD. For every Social Security Account Number issued an "emploee master card" is made in the Social Security Board Records Office. Identifying data, given on the application blank, Form SC-5 ?, is transferred to this master card in the form of up-ended quadrangular holes, punched by key