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Vintage IBM Circuit Board BLUE RAYTHEON CK761 Transistors Circ. 1960 Kingston $58.00 USD Sold on: 2012-Dec-19 Marketplace: eBay  3 Treasure 0 Trash   100% Detail:This auction is for the above pictured vintage circuit board. It measures approximately 2 3/4 X 2 3/4 inches. As can be seen in the photo it contains 3 Blue Raytheon 2N113 CK761 Transistors and 4 Blac...  More Relevance Historical Items |
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