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File:Memoria a tamburo magnetico per sistema IBM 650 - Museo scienza tecnologia Milano D1171.jpg
From Wikipedia, the free encyclopedia
Found in articles
File:Memoria a tamburo magnetico per sistema IBM 650 - Museo scienza tecnologia Milano D1171.jpg
English:
IBM
650
Magnetic Drum. On the surface of the drum which rotates at
a
speed of thousands of revolutions
per
minute, thousands of decimal places