TitleIBM SSEC Card Readers
Dimensionsoverall: 8 in x 10 in
DescriptionB&W image of two IBM SSEC card readers. In the front one a man is placing a deck of cards into the stacker. In the background are other
machine components .
Verso: CARD READERS by which problems and instructions are introduced into the IBM SELECTRIC SEQUENCE ELECTRONIC CALCULATOR.
Reading from standard IBM cards is performed at the rate of 30,000 digits a minute.