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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, registers and a individual ledger account. It goes to a review section. Here the original application and the master card are brought together and checked for error. Checking is done by a team of two workers, and the few errors which have been made are corrected. Reviews of errors are reduced to a minute part of one perscent. The photograph above shows a part of the review section at work
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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, registers and a individual ledger account. It goes to a review section. Here the original application and the master card are brought together and checked for error. Checking is done by a team of two workers, and the few errors which have been made are corrected. Reviews of errors are reduced to a minute part of one perscent. The photograph above shows a part of the review section at work
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, registers and a individual ledger account. It goes to a review section. Here the original application and the master card are brought together and checked for error. Checking is done by a team of two workers, and the few errors which have been made are corrected. Reviews of errors are reduced to a minute part of one perscent. The photograph above shows a part of the review section at work
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 punch machines, which have a key card like a typewriter. Each key struck by an operator causes a ... to be punched into the card. The position of a hole determines the letter or number other machines will reproduce from the master card. From this master card is made an acturial card, to be used later in statistical purposes. The master card also is used in other machines which sort them numerically, according to account numbers alphabetically according to the name code, translate the holes into numbers and letters, and print the data on individual ledger sheets, indexes, registry of accounts, and other uses. It is kept as a permanent record. The photograph above shows at work a part of the key machine section, where master cards are punched
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 machine. The interpreting machine translates the holes back into letters and figures and prints the name of the holder of the account number and some other identifying data across the top of the master card going through the interpreting machine in the Social Security Board Records Office
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 master cards. The master card is a ... salmon pink. The acturial card is a bright green. They are of different colors so they will not be mixed together inadvertently. The photograph above shows a reproducing machine making acturial cards from master cards. The punched master card is placed in one compartment. A blank acturial card is placed in another. When the master card has been automatically carried to the proper position it stops, momentarilly. Meanwhile the blank acturial card is carried to another place in the machine. Electrical impulses cause the machine to punch on the acturial card the same holes, in the same position, as on the master card. The two cards are held in place while the part of the machine holding the acturial card telegraphs back to the part holding the master card to see that the punches in each are identical. Then the cards are released, one is in one pile and the other in another. The whole operation requires a small fraction of a minute
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 master cards. The master card is a [...] salmon pink. The acturial card is a bright green. They are of different colors so they will not be mixed together inadvertently. The photograph above shows a reproducing machine making acturial cards from master cards. The punched master card is placed in one compartment. A blank acturial card is placed in another. When the master card has been automatically carried to the proper position it stops, momentarilly. Meanwhile the blank acturial card is carried to another place in the machine. Electrical impulses cause the machine to punch on the acturial card the same holes, in the same position, as on the master card. The two cards are held in place while the part of the machine holding the acturial card telegraphs back to the part holding the master card to see that the punches in each are identical. Then the cards are released, one is in one pile and the other in another. The whole operation requires a small fraction of a minute
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, these give necessary pertinent data for the daily and permanent work records of the Social Security Board Records Office in Baltimore, Maryland. The photograph above shows a worker in the Production and Control Section of the Records Office punching 'work' on operation cards
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 the 'visible control' rack. Each card in this rack represents an operation completed on one block[?] of applications. By glancing at each compartment in the rack, the number of operations completed can be estimated at once
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 the 'visible control' rack. Each card in this rack represents an operation completed on one block? of applications. By glancing at each compartment in the rack, the number of operations completed can be estimated at once
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, registers and a individual ledger account. It goes to a review section. Here the original application and the master card are brought together and checked for error. Checking is done by a team of two workers, and the few errors which have been made are corrected. Reviews of errors are reduced to a minute part of one perscent. The photograph above shows a part of the review section at work
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Tags
maryland
baltimore
glass negatives
baltimore md
chances
error
detection
social
security
board
records
office
social security board records office
care
guard
employee
master
card
employee master card
indexes
registers
ledger
account
ledger account
review
section
review section
application
master card
team
workers
two workers
reviews
minute
part
minute part
perscent
one perscent
work
history of baltimore maryland
united states history
library of congress
Date
01/01/1937
Contributors
Harris & Ewing, photographer
Location
Baltimore (Md.)
,
39.29028, -76.61222
Source
Library of Congress
Link
Copyright info
No known restrictions on publication.