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References
- ↑ Turck, J.A.V. (1921). Origin of Modern calculating Machines. The Western Society of Engineers.
- 1 2 3 4 5 Cortada, James W (1993). Before the Computer; IBM, NCR, Burroughs & Remmington Rand & The Industry They Created 1865-1956 . Princeton University Press. pp. 158–162. ISBN 0-691-04807-X.
- ↑ Akera, Atsushi; Nebeker, Frederik (2002). From 0 to 1: An Authoritative History of Modern Computing. Oxford University Press. ISBN 0-19-514025-7.
- 1 2 3 4 5 6 7 8 Mecham, Alan D., ed. (1961). Data Processing Equipment Encyclopedia vol.1: Electromechanical Devices. Gille.
- 1 2 3 Mecham, Alan D., ed. (1961). Data Processing Equipment Encyclopedia vol.2: Electronic Devices. Gille.
- ↑ Burroughs E1400
- 1 2 3 4 5 6 7 Weik, Martin H. (1955). A Survey of Domestic Electronic Digital Computing Systems. Ballistic Research Laboratories.
- ↑ Fierheller, George A. (2006). Do Not Fold, Spindle or Mutilate: The 'Hole' Story of Punched Cards. Stewart. ISBN 1-894183-86-X.
- ↑ Weik, Martin H. (Mar 1961). "READIX". ed-thelen.org. A Third Survey of Domestic Electronic Digital Computing Systems.
- ↑ "10. READIX (J. B. Rea Company)". Digital Computer Newsletter. 8 (1): 6–9. Jan 1956.
- ↑ "READIX General Purpose Computer". ADP Equipment (Bull Machine Company Gamma 60; Philco Transac S-2000 Data Processing System Enclosed) Reports: 209–219 (543–553). 1 November 1957.
- ↑
- Encyclopedia of Espionage, Intelligence, and Security. Bukupedia. 2004. p. 76. ISBN 9780787675462.
- "NASIC's first computer". www.nasic.af.mil. 1958.
- "MISCELLANEOUS: 3. J. B. Rea Co., Santa Monica, Calif". Digital Computer Newsletter. 9 (2): 18–19. Apr 1957.
- ↑ "Elecom "50" advertisement | 102646271 | Computer History Museum". www.computerhistory.org. Retrieved 2018-05-31.
- ↑
- "15. Underwood Corporation". Digital Computer Newsletter. 7 (2): 10. Apr 1955.[ dead link ]
- Brown, Richard Hunt. (1955). "20. PRINCIPAL ELECTRONIC BUSINESS COMPUTERS. GENERAL DESCRIPTIONS, PICTURES AND PRICES". Underwood ELECOM 50 Computer. Office automation; integrated and electronic data processing. New York: Automation Consultants. p. 148. hdl:2027/mdp.39015021085249.
- John Diebold & Associates. (7 September 1956). The Use of Three Elecom 50s in a Small Service Bureau. Automatic data processing: Methods reports [and orientation]. Chicago: Cudahy Pub. Co. hdl:2027/mdp.39015021085397.
- ↑ "COMPUTERS, U. S. A.: 3. ELECOM, Underwood Corporation". Digital Computer Newsletter. 8 (2): 3–4. Apr 1956.[ dead link ]
- ↑ "NEWS RELEASES: Election Predictions by Electronic Computer" (PDF). Computers and Automation. 5 (12): 29. Dec 1956. Retrieved 2020-09-05.
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