Card Release
Checking the action on the card release on an IBM 129 Card Data Recorder. More details: www.nycresistor.com/2012/01/15/ibm-129-card-data-recorder/
Checking the action on the card release on an IBM 129 Card Data Recorder. More details: www.nycresistor.com/2012/01/15/ibm-129-card-data-recorder/