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IBM 650 Magnetic Drum
 
 
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IBM 650 Magnetic Drum
 
The magnetic drum memory on which the 650 system's information was stored.
 
 
650 details
650 Chronology 650 Chronology  
650 Feeds & speeds 650 Feeds & speeds  
650 Components 650 Components  
650 Customers 650 Customers  
650 Applications 650 Applications  
650 Photo album 650 Photo album