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Sperry Remington/Rand EDC-III/EDC-IIIA Desktop Calculator


Image Courtesy Jan Roosen

Small-scale IC technology utilizing magnetostrictive delay line for working registers, and 10-digit Nixie tube display. 20-digit capacity with switch for displaying low ten digits or high ten digits. Two accumulating memory registers. Fixed decimal point. Introduced in Fall, 1968. EDC-IIIA version introduced slightly later, difference between EDC-III and EDC-IIIA unknown at this time.