IBM 805 Test Scoring Machine
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The IBM 805 Test Scoring Machine was an educational machine sold by IBM beginning in 1937.[1] The device scored answer sheets marked with special "mark sense" pencils. The machine was developed from a prototype developed by Reynold Johnson, a school teacher who later became an IBM engineer. That machine and its descendants have been in use ever since.
See also
References
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- "Bulletin of Information on the International Test Scoring Machine." (New York: Cooperative Test Service, 1936)
- IBM Archives web page on the 805 Test Scoring Machine