Summary
Drum with magnetic oxide coating. The cylindrical cover contains multiple recording and reading heads. Two forms of storage: fast (1 word) and slow (1 cylinder revolution). Used in Powers- Samas punched card computer.
Date is an estimate.
Physical Description
Consists of drum with magnetic oxide coating. The cylindrical cover contains multiple recording and reading heads. Spindle is stuck.
More Information
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Collecting Areas
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Acquisition Information
Donation from T.& G. Insurance, 03 Jun 1974
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Manufacturer
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Inscriptions
(numerous characters including numbers)
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Classification
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Category
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Discipline
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Type of item
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Overall Dimensions
250 mm (Length), 300 mm (Outside Diameter)
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Keywords
Computer Components, Computer Memory Devices, Computer Memory Drums, Computers, Computing
