Statements (20)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | gptkb:electromechanical_card_reader | 
| gptkbp:category | gptkb:personal_computer Punched card equipment | 
| gptkbp:height | about 4 feet | 
| gptkbp:introduced | 1952 | 
| gptkbp:manufacturer | gptkb:IBM | 
| gptkbp:maximumDepth | about 2.5 feet | 
| gptkbp:maximumSpeed | 250 cards per minute | 
| gptkbp:powerSource | about 1 kW | 
| gptkbp:readBy | 80-column punched cards | 
| gptkbp:replacedBy | gptkb:IBM_1402_card_reader | 
| gptkbp:usedFor | gptkb:IBM_701 gptkb:IBM_704 gptkb:IBM_650 gptkb:IBM_709 | 
| gptkbp:weight | about 600 pounds | 
| gptkbp:width | about 5 feet | 
| gptkbp:bfsParent | gptkb:IBM_7080 | 
| gptkbp:bfsLayer | 7 | 
| https://www.w3.org/2000/01/rdf-schema#label | IBM 711 card reader |