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THIS IS A FERRITE MEMORY CORE PLANE MADE BY NELCO FROM AN UNKNOWN DEVICE. THIS ITEM WAS FROM AN ELECTRONIC TECHNOLOGISTS SHOP. MARKINGS ONBOARD ARE 42500811 AND UK13268 ON COMPONENT SIDE AND 42500796 REV.1, 2PM10 AND NOH4 ON SOLDER SIDE. FAIRLY THICK MULTI-LAYERED BOARD. THIS IS LIKELY AN OLD HAND WOUND MEMORY CORE.
SEE MY OTHER LISTINGS FOR MORE INTERESTING OLD PCB AND COMPONENTS.
ITEM SHIPS FROM CANADA.
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