The fundamental paper introducing the idea of error correction in communication and computer systems. A simple version of the Hamming Code in use today is the familiar "parity check" method for detecting memory and transmission errors. Octavo. The complete volume, in original printed wrappers. Spine cocked and a bit stained, library rubberstamp on front cover. Light dampstain at fore-edge of first few leaves. A good copy. Hook and Norman, 646. See Lee, Computer Pioneers, pp. 360-6.

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"Error Detecting and Error Correcting Codes." In The Bell System Technical Journal, Volume XXIX, No. 2, pp. 147-60. New York: American Telephone and Telegraph Company, April, 1950.

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