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MAGNETIC CORE MEMORY
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IBM CORE MEMORY BELIEVED TO BE FROM AN IBM 1620 COMPUTER 10.5" X 10.5" - THE GREEN COLORED STRANDS INDICATE THIS MEMORY PLANE WAS DECOMISSIONED USING ACID Air Force Computer Security (COMPUSEC) - Magnetic Remanence Destruction 7.8.2. Hydrochloric and nitric acid (HCL and HNO3) in 1.5:1 ratio, then HF and HNO3 in 1:1 ratio. |
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