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Punched card machines

It's 1950 and these 11 men and women are operating an IBM electric accounting machine installation...

It's 1950 and these 11 men and women are operating an IBM electric accounting machine installation...
It's 1950 and these 11 men and women are operating an IBM electric accounting machine installation. Seen here (at left) is an IBM 523 gang summary punch, which could process 100 cards a minute and (in the middle) an IBM 82 high-speed sorter, which could process 650 punched cards a minute. (VV2185)