John Dvorak has a interesting piece on Burroughs here : "The [ElectroData derived Burroughs 205] drum had two sections. The high speed access section which had

John Dvorak has a interesting piece on Burroughs here : "The [ElectroData derived Burroughs 205] drum had two sections. The high speed access section which had each piece of data duplicated 10 times and offset on various bands on the drum to increase the access time by 10. Here the average data access time was .85 milliseconds." my mom performed her bank clerk job on Burroughs Adding Machines, in the early 50s. IBM famously was required to sign the 50 year Consent Decree for hobbling the 7 Dwarves by developing new machines using sales and supply contract deposit payments for vapor ware https://techmonitor.ai/techonology/ibm_and_the_1956_consent_decree https://techmonitor.ai/techonology/ibm_and_the_1956_consent_... http://www.dvorak.org/blog/ibm-and-the-seven-dwarfs-dwarf-one-burroughs/ http://www.dvorak.org/blog/ibm-and-the-seven-dwarfs-dwarf-on... edit : Dvorak auto correct on phone sorry