1950s

1953

• University of Manchester Transistor Computer 1953 (prototype) 1955 (full scale) experimental

1954

• Bell Labs TRADIC for U.S. Air Force

1955

• Harwell CADET demonstrated February 1955, one-off scientific computer

1956

• Electrotechnical Laboratory ETL Mark III (Japan) experimental, began development 1954, completed 1956,¹ Japan's first transistorized stored-program computer²³⁴
• MIT TX-0
• Metrovick 950

1957

• Burroughs SM-65 Atlas ICBM Guidance Computer MOD1, AN/GSQ-33 (no relation to Manchester ATLAS)
• Ramo-Wooldridge (TRW) RW-30 airborne computer⁵⁶
• Univac TRANSTEC,⁷ for US Navy
• Univac ATHENA, US Air Force missile guidance (ground control)
• IBM 608 transistor calculator (its development was preceded by the prototyping of an experimental all-transistor version of the 604 demonstrated in October 1954), announced 1955, first shipped December 1957
• DRTE Computer, Canadian experimental system delivered 1957, added parallel math unit and other improvements in 1960.⁸
• ETL Mark IV computer, upgraded to the ETL Mark IV A in 1958, a transistor-based computer built at the Japanese government's ElectroTechnical Laboratory, inspired almost every Japanese computer company.^9101112

1958

• Electrologica X1
• TX-2
• UNIVAC Solid State (partially transistorized)
• Philco Transac S-1000 scientific computer- Navy/NSA SOLO, one-off for NSA
• Philco Transac S-2000 electronic data processing computer¹³
• Mailüfterl
• RCA 501 intended as a commercial system but used in military applications
• Siemens System 2002¹⁴¹⁵ – Prototype in operation since 1956, first machine was put in operation in 1958.¹⁶
• Autonetics Recomp II

1959

• NCR 304, announced in 1957, first delivery in 1959
• Olivetti Elea 9003
• Sylvania MOBIDIC
• IBM 7090 (6/60)¹⁷
• IBM 1401
• IBM 1620 Model I
• NEAC 2201 (NEC)
• EMIDEC 1100
• TRW RW-300¹⁸
• PDP-1
• Standard Elektrik Lorenz SEL ER 56¹⁹²⁰²¹

1960s

1960

• AEI 1010²²
• Bull Gamma 60
• Honeywell 200
• Honeywell 800 first installation 1960
• UNIVAC LARC
• CDC 160 (7/60)²³
• CDC 1604 (1/60)²⁴
• Datasaab D2
• DRTE Computer, expanded version
• Elliott 803
• GE 210
• AN/FSQ-32 (IBM 4020)
• AN/FSQ-31V
• IBM 7070 (6/60)²⁵
• Japan Electrotechnical Laboratory ETL Mark V (5/60)
• Mitsubishi MELCOM 3409
• Clary DE-60
• Monroe Calculating Machine Mark XI (or "Monrobot XI")
• Packard Bell Corporation PB 250²⁶²⁷²⁸ (PB250; no relation to the modern brand of personal computers) used, among others, as the controller for hybrid digital/analog system TRICE²⁹³⁰ and HYCOMP 250,³¹ and as the control computer for mobile data systems³²
• Philco TRANSAC S-2000 Model 211
• RCA 301

1961

• Plessey XL4
• MANIAC III
• CAB 500
• LEO III
• English Electric KDP10
• Bendix G-20
• NEC NEAC 2205
• CDC 160A (7/61)³³
• CDC 924,³⁴
• CDC 924A (8/61)³⁵
• Fujitsu FACOM 222
• GE-200 series
  • GE-225 1961
  • GE-215 1963
  • GE-205,235 1964
• GE Datanet 30
• Honeywell 400 (12/61)³⁶
• IBM 1410
• IBM 7030 Stretch
• IBM 7074 (12/51)³⁷
• Zuse Z23
• IBM 7080 (9/61)³⁸
• IBM 1710
• Matsushita MADIC IIA
• RCA 301 (2/61)³⁹
• TRW-130 aka AN/UYK-1⁴⁰ for Transit submarine navigation satellite receivers
• UNIVAC 490
• Regnecentralen GIER⁴¹

1962

• Philco TRANSAC S-2000 Model 212
• Atlas Computer (Manchester)
• ASC-15
• Burroughs D825⁴²
• CDC 1604-A⁴³
• DEC PDP-4
• GE 412 (7/62)⁴⁴
• IBM 1620 Model II
• ICT 1301
• ILLIAC II
• UNIVAC 1004
• UNIVAC 1107
• UNIVAC III
• IBM 7072 (6/62)⁴⁵
• IBM 7094 (9/62)⁴⁶
• Autonetics D-17B
• Royal Radar Establishment Automatic Computer
• Telefunken TR4
• RW-400 aka AN/FSQ-27 by TRW^47484950
• SDS 910
• SDS 920
• Odra 1002
• Ferranti Argus – first delivery in 1962, renamed to Argus 200 in 1963
• Librascope L-2010

1963

• Librascope LGP-21
• IBM 1440
• IBM 7010
• IBM 7040 and IBM 7044
• CDC 3000 series, 5 models (1963-1967)
• DEC PDP-5
• Elliott 503
• Ferranti-Packard 6000
• Ferranti Argus 100
• Honeywell 1400 (12/63)⁵¹
• Honeywell 1800 (11/63)⁵²
• Computer Control Company DDP-24 (6/63)⁵³
• RCA 601⁵⁴
• UNIVAC 418
• UNIVAC 1050 III*UNIVAC 1050 III (9/63)⁵⁵
• SDS 9300
• BESM 3M, 4 circa 1963
• Siemens 3003⁵⁶
• IBM Saturn Launch Vehicle Computer (hybrid, August 1963)

1964

• Burroughs B5500
• CDC 1604B⁵⁷
• DEC PDP-7
• DEC PDP-8
• IBM 7094 II (4/64)⁵⁸
• GE 235 (4/64)⁵⁹
• GE-400 series
• GE 415 (5/64)⁶⁰
• GE 425 (6/64)⁶¹
• English Electric KDF8
• English Electric KDF9
• Honeywell 200/200 (7/64)⁶²
• Honeywell 200/2200 (12/65)⁶³
• RCA 3301 (7/64)[1]
• SDS 925
• SDS 930
• UNIVAC 1004 II, III (6/64)⁶⁴
• CDC 160G (4/64)⁶⁵
• CDC 6600
• Titan (1963 computer) (Atlas 2)
• Bunker-Ramo BR-133⁶⁶ aka AN/UYK-3⁶⁷
• UMC-10
• PDP-6

1965

• ICT 1900 series
• CDC 1604-C⁶⁸
• GE 435 (9/65)⁶⁹
• GE-600 series (some integrated circuits)
• NCR 315-RMC
• PDP-8 & 8S (1965 & 1966)⁷⁰
• IBM System/360 family, 14 models (1965-1971). Used IBM SLT⁷¹ hybrid circuits.
• IBM 1130 IBM's least-expensive computer at that time, also used hybrid circuits (IBM SLT)⁷²
• IBM M44/44X
• SDS 940
• TRASK, transistor version of BESK
• Model 109-B
• Ural computer family, 3 models (1965-1969)⁷³⁷⁴⁷⁵
• Fabri-Tek BI-TRAN SIX Computer Educational System^7677787980
• Computer Control DDP-116 & 124
• Marconi Myriad I, Ferranti Minicor I hybrid⁸¹ diode–transistor logic
• UNIVAC 1108 II (9/65)⁸²

1966

• CDC 6400 (June 1966)
• DEC PDP-8/S
• DEC PDP-9
• GE 115 (4/66)⁸³
• Honeywell 200/120 (2/66)⁸⁴
• Honeywell 200/1200 (1/66)⁸⁵
• Honeywell 200/4200 (12/66)⁸⁶
• IBM 1800
• SDS 940
• SDS Sigma 2
• UNIVAC 494
• UNIVAC 1005 I, II, III (2/66)⁸⁷

1967

• CER-22
• D4a built in 1963 by Joachim Lehmann at the TU Dresden in about 10 exemplars.⁸⁸ After modifications produced from 1967 as Cellatron 8201.^899091929394
• Honeywell 200/8200⁹⁵

1968

• PDP-10 (first model only – later versions used ICs)
• SDS 945
• BESM-6 (first model only – later versions used ICs)
• Moscow Power Engineering Institute M-54⁹⁶
• Digico Micro 16

1969

• CDC 6700
• CDC 7600
• GE 105
• GE-615
• UNIVAC 1106
• Univac 400
• PDP-12

See also

• Transistor count § Transistor computers
• List of vacuum tube computers

Notes

References

1. Fransman, Martin (1993-02-25). The Market and Beyond: Cooperation and Competition in Information Technology. Cambridge University Press. pp. 19–20. ISBN 9780521435253. 9780521435253 ↩

2. Early Computers, Information Processing Society of Japan http://museum.ipsj.or.jp/en/computer/dawn/index.html ↩

3. 【Electrotechnical Laboratory】 ETL Mark III Transistor-Based Computer, Information Processing Society of Japan http://museum.ipsj.or.jp/en/computer/dawn/0011.html ↩

4. Early Computers: Brief History, Information Processing Society of Japan http://museum.ipsj.or.jp/en/computer/dawn/history.html ↩

5. Grabbe, E. M. (February 7, 1957), "The Ramo- Wooldridge Corporation" (PDF), SOME RECENT DEVELOPMENTS IN DIGITAL CONTROL SYSTEMS, Instrumentation and Control in the Process Industries Conference, Chicago, p. 5{{citation}}: CS1 maint: location missing publisher (link) http://www.bitsavers.org/pdf/trw/papers/Grabbe_Some_Recent_Developments_in_Digital_Control_systems_Feb57.pdf ↩

6. "RW-30 advertisement". The Michigan Technic. LXXVI (4). UM Libraries: 61. January 1958. https://books.google.com/books?id=DxkkAAAAMAAJ&q=RW-30+computer&pg=PA61 ↩

7. Boslaugh, David L. (2003). When Computers Went to Sea: The Digitization of the United States Navy. John Wiley & Sons. p. 113. ISBN 9780471472209. 9780471472209 ↩

8. "The DRTE Computer". friendsofcrc.ca. Retrieved 2017-12-28. http://friendsofcrc.ca/Projects/DRTEComputer/TheDRTEComputer-p3.html ↩

9. Sigeru Takahashi (April–June 1986). "Early Transistor Computers in Japan". Annals of the History of Computing. 8 (2): 144–154. doi:10.1109/MAHC.1986.10039. https://ieeexplore.ieee.org/document/4640406 ↩

10. Katsuhiko Noda (June 27, 1966). "Success story: Japanese originals" (PDF). Electronics. 39 (13): 93. https://www.worldradiohistory.com/Archive-Electronics/60s/66/Electronics-1966-06-27.pdf ↩

11. "ETL Mark IV" https://www.ithistory.org/db/hardware/electrotechnical-laboratory/etl-mark-iv-0 ↩

12. "ETL Mark IV A". https://www.ithistory.org/db/hardware/electrotechnical-laboratory/etl-mark-iv ↩

13. Saul Rosen (June 1991). PHILCO: Some Recollections of the PHILCO TRANSAC S-2000 (Computer Science Technical Reports / Purdue e-Pubs). Purdue University. Here: page 2 /wiki/Saul_Rosen ↩

14. "READERS' AND EDITOR'S FORUM: The Siemens 2002, MAJER-TRENDEL" (PDF). Computers and Automation. 10 (3): 21. March 1961. http://www.bitsavers.org/magazines/Computers_And_Automation/196103.pdf ↩

15. "COMPUTERS AND CENTERS, OVERSEAS: 10. Siemens & Halske AG, Siemens 2002, Munich, Germany". Digital Computer Newsletter. 11 (2): 19–23. April 1959. https://apps.dtic.mil/sti/citations/AD0694632 ↩

16. "COMPUTERS AND CENTERS, OVERSEAS: 10. Siemens & Halske AG, Siemens 2002, Munich, Germany". Digital Computer Newsletter. 12 (1): 19–20. January 1960. https://apps.dtic.mil/sti/citations/AD0694659 ↩

17. Computer Characteristics Quarterly (PDF). Adams Associates. 1967. p. 44. http://ed-thelen.org/comp-hist/AdamsReport1967Q1-2.pdf ↩

18. Weik, Martin H. (March 1961). "RW-300". A Third Survey of Domestic Electronic Digital Computing Systems. Ballistic Research Laboratories Report No. 1115. http://ed-thelen.org/comp-hist/BRL61-r.html#RW-300 ↩

19. Isaac L. Auerbach (January 1961). "European Information Technology - A Report on the Industry and the State-of-the-Art" (PDF). Proceedings of the IRE. 49 (1): 347. http://www.bitsavers.org/pdf/auerbach/European_EDP_Jan61.pdf ↩

20. "REFERENCE INFORMATION: A Survey of European Digital Computers, Part 2" (PDF). Computers and Automation. 9 (3): 28–29. March 1960. http://www.bitsavers.org/magazines/Computers_And_Automation/196003.pdf ↩

21. "COMPUTERS AND CENTERS, OVERSEAS: 1. Standard Elektrik Lorenz AG, ER 56, Stuttgart, Germany". Digital Computer Newsletter. 12 (2): 13–14. April 1960. https://apps.dtic.mil/sti/citations/AD0694660 ↩

22. Foulkes, Ron (Summer 2008). "Computers at Metrovick : the MV 950 & AEI 1010". Resurrection: The Bulletin of the Computer Conservation Society (43). ISSN 0958-7403. http://www.computerconservationsociety.org/resurrection/res43.htm#f ↩

23. "Computer Characteristics Quarterly" (PDF). Adams Associates. 1967. p. 12. http://ed-thelen.org/comp-hist/AdamsReport1967Q1-2.pdf ↩

24. "Control Data Corporation". Computing History. The Minnesota Computing History Project. 15 July 2018. https://mncomputinghistory.com/control-data-corporation/ ↩

25. "Computer Characteristics Quarterly" (PDF). Adams Associates. 1967. p. 44. http://ed-thelen.org/comp-hist/AdamsReport1967Q1-2.pdf ↩

26. Beck, Robert Mark (30 December 1960). PB-250 - A High Speed Serial General Purpose Computer Using Magnetostrictive Delay Line Storage. 1960 Fall Joint Computer Conference. p. 284. doi:10.1109/afips.1960.58. The first production computer was delivered in October 1960. /wiki/Doi_(identifier) ↩

27. "PB-250". The Retro-Computing Society of RI, Inc. http://www.rcsri.org/collection/pb-250/ ↩

28. Weik, Martin H. (March 1961). "PACKARD BELL 250". A Third Survey of Domestic Electronic Digital Computing Systems. Ballistic Research Laboratories Report No. 1115. http://www.ed-thelen.org/comp-hist/BRL61-p.html#PACKARD-BELL-250 ↩

29. Programming manual for TRICE and other material on DDA's 2nd edition | 102664334 | Computer History Museum. Packard Bell Electronics. Packard Bell Computer. 3 May 1960. http://www.computerhistory.org/collections/catalog/102664334 ↩

30. Weik, Martin H. (March 1961). "TRICE". A Third Survey of Domestic Electronic Digital Computing Systems. Ballistic Research Laboratories Report No. 1115. http://www.ed-thelen.org/comp-hist/BRL61-t.html#TRICE ↩

31. "Packard Bell Computer | Selling the Computer Revolution | Computer History Museum". www.computerhistory.org. http://www.computerhistory.org/brochures/m-p/packard-bell-computer/ ↩

32. "ACROSS THE EDITOR'S DESK: New Firms, Divisions, and Mergers - ON-CALL DATA VANS FOR HIRE" (PDF). Computers and Automation. XI (7): 28. July 1962. http://www.bitsavers.org/magazines/Computers_And_Automation/196207.pdf ↩

33. "Computer Characteristics Quarterly" (PDF). Adams Associates. 1967. p. 12. http://ed-thelen.org/comp-hist/AdamsReport1967Q1-2.pdf ↩

34. "Control Data Corporation Collection - Historical Timeline". Charles Babbage Institute. http://www.cbi.umn.edu/collections/cdc/histtimeline.html ↩

35. "Computer Characteristics Quarterly" (PDF). Adams Associates. 1967. p. 12. http://ed-thelen.org/comp-hist/AdamsReport1967Q1-2.pdf ↩

36. "Computer Characteristics Quarterly" (PDF). Adams Associates. 1967. p. 32. http://ed-thelen.org/comp-hist/AdamsReport1967Q1-2.pdf ↩

37. "Computer Characteristics Quarterly" (PDF). Adams Associates. 1967. p. 44. http://ed-thelen.org/comp-hist/AdamsReport1967Q1-2.pdf ↩

38. "Computer Characteristics Quarterly" (PDF). Adams Associates. 1967. p. 44. http://ed-thelen.org/comp-hist/AdamsReport1967Q1-2.pdf ↩

39. "Computer Characteristics Quarterly" (PDF). Adams Associates. 1967. p. 54. http://ed-thelen.org/comp-hist/AdamsReport1967Q1-2.pdf ↩

40. "AN/UYK-1 - A "Stored Logic" Multiple Purpose Computer" (PDF). Ramo-Woolridge. 1961-04-21. Archived from the original (PDF) on 2011-09-30. Retrieved 2011-10-19. https://web.archive.org/web/20110930122620/http://www.dvq.com/docs/misc/an_uyk-1.pdf ↩

41. Isaac L. Auerbach (January 1961). "European Information Technology - A Report on the Industry and the State-of-the-Art" (PDF). Proceedings of the IRE. 49 (1): 347. http://www.bitsavers.org/pdf/auerbach/European_EDP_Jan61.pdf ↩

42. James P. Anderson; Samuel A. Hoffman; Joseph Shifman; Robert J. Williams (1962), D825 - a multiple-computer system for command & control, Proceedings of the Fall Joint Computer Conference, Spartan, pp. 86–96, doi:10.1109/AFIPS.1962.41 /wiki/Doi_(identifier) ↩

43. "advertisement" (PDF). Datamation. Vol. 8, no. 11. FRANK D. THOMPSON. Nov 1962. pp. 12–14. http://bitsavers.org/magazines/Datamation/196211.pdf ↩

44. "Computer Characteristics Quarterly" (PDF). Adams Associates. 1967. p. 26. http://ed-thelen.org/comp-hist/AdamsReport1967Q1-2.pdf ↩

45. "Computer Characteristics Quarterly" (PDF). Adams Associates. 1967. p. 44. http://ed-thelen.org/comp-hist/AdamsReport1967Q1-2.pdf ↩

46. "Computer Characteristics Quarterly" (PDF). Adams Associates. 1967. p. 44. http://ed-thelen.org/comp-hist/AdamsReport1967Q1-2.pdf ↩

47. Weik, Martin H. (March 1961). "RW 400". A Third Survey of Domestic Electronic Digital Computing Systems. Ballistic Research Laboratories Report No. 1115. http://www.ed-thelen.org/comp-hist/BRL61-r.html#RW-400 ↩

48. Helfinstein, Bert (1961-02-01). "Programming Manual AN/FSQ-27 (RW-400)" (PDF) (second ed.). Ramo-Woolridge. http://www.bitsavers.org/pdf/trw/rw-400/AN-FSQ-27_RW-400_Programming_Man_Feb61.pdf ↩

49. "RW-400 Notes" (PDF). http://www.bitsavers.org/pdf/trw/rw-400/RW-400_Notes.pdf ↩

50. Culler, Glen; Huff, Robert (1962), "Managing Requirements Knowledge, International Workshop on", Solution of Non-Linear Integral Equations Using on-Line Computer Control, Proceedings of the Spring Joint Computer Conference, San Francisco, pp. 129–138, doi:10.1109/AFIPS.1962.26{{citation}}: CS1 maint: location missing publisher (link) /wiki/Doi_(identifier) ↩

51. "Computer Characteristics Quarterly" (PDF). Adams Associates. 1967. p. 32. http://ed-thelen.org/comp-hist/AdamsReport1967Q1-2.pdf ↩

52. "Computer Characteristics Quarterly" (PDF). Adams Associates. 1967. p. 32. http://ed-thelen.org/comp-hist/AdamsReport1967Q1-2.pdf ↩

53. "Computer Characteristics Quarterly" (PDF). Adams Associates. 1967. p. 32. http://ed-thelen.org/comp-hist/AdamsReport1967Q1-2.pdf ↩

54. "News Briefs in Datamation 1st 601 is on the air at NJ Bell" (PDF), Datamation, vol. 9, no. 6, GARDNER F. LANDON, p. 52 http://bitsavers.org/magazines/Datamation/196306.pdf ↩

55. "Computer Characteristics Quarterly" (PDF). Adams Associates. 1967. p. 62. http://ed-thelen.org/comp-hist/AdamsReport1967Q1-2.pdf ↩

56. "COMPUTERS AND CENTERS, OVERSEAS: 2. Siemens and Halske A.G., 2002 and 3003 Computing Systems, Munich, Germany". Digital Computer Newsletter. 16 (2): 10–14. Apr 1964. https://apps.dtic.mil/sti/citations/AD0694640 ↩

57. "The Air Force comptroller". October 1967. Retrieved September 6, 2020. the 1604B was a three year old second generation computer [in 1967] https://books.google.com/books?id=0xoSTNZ10q0C&q=CDC+%221604B%22+computer&pg=RA2-PA32 ↩

58. "Computer Characteristics Quarterly" (PDF). Adams Associates. 1967. p. 46. http://ed-thelen.org/comp-hist/AdamsReport1967Q1-2.pdf ↩

59. "Computer Characteristics Quarterly" (PDF). Adams Associates. 1967. p. 26. http://ed-thelen.org/comp-hist/AdamsReport1967Q1-2.pdf ↩

60. "Computer Characteristics Quarterly" (PDF). Adams Associates. 1967. p. 26. http://ed-thelen.org/comp-hist/AdamsReport1967Q1-2.pdf ↩

61. "Computer Characteristics Quarterly" (PDF). Adams Associates. 1967. p. 26. http://ed-thelen.org/comp-hist/AdamsReport1967Q1-2.pdf ↩

62. "Computer Characteristics Quarterly" (PDF). Adams Associates. 1967. p. 30. http://ed-thelen.org/comp-hist/AdamsReport1967Q1-2.pdf ↩

63. "Computer Characteristics Quarterly" (PDF). Adams Associates. 1967. p. 30. http://ed-thelen.org/comp-hist/AdamsReport1967Q1-2.pdf ↩

64. "Computer Characteristics Quarterly" (PDF). Adams Associates. 1967. p. 62. http://ed-thelen.org/comp-hist/AdamsReport1967Q1-2.pdf ↩

65. "Computer Characteristics Quarterly" (PDF). Adams Associates. 1967. p. 12. http://ed-thelen.org/comp-hist/AdamsReport1967Q1-2.pdf ↩

66. trw :: BR-133 Brochure May64. May 1964. https://archive.org/details/bitsavers_trwBR133Br_2262389 ↩

67. "AN/UYK-3 General Purpose Computer". http://www.jproc.ca/rrp/uyk3.html ↩

68. "Record of Revisions". Reference Manual Control Data 1604-Computer (PDF). CDC. http://bitsavers.org/pdf/cdc/1604/60016700F_1604-C_Reference_Nov67.pdf ↩

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72. Davis, E.M.; et al. (April 1964). "Solid Logic Technology: Versatile, High-Performance Microelectronics". IBM Journal of Research and Development. 8 (2): 102–114. CiteSeerX 10.1.1.87.4832. doi:10.1147/rd.82.0102. A new microelectronics technique called Solid Logic Technology, or SLT, is utilized in the new family of IBM/360 computers. This new technology provides a hybrid, integrated circuit module which combines discrete, glass-encapsulated silicon transistors and diodes with stencil-screened land patterns and precision passive components. /wiki/CiteSeerX_(identifier) ↩

73. "Electronic Digital Computer Ural-11 (Урал-11)". http://www.computer-museum.ru/english/ural_11.php ↩

74. "Electronic Digital Computer Ural-14 (Урал-14)". http://www.computer-museum.ru/english/ural_14.php ↩

75. "Electronic Digital Computer Ural-16 (Урал-16)". http://www.computer-museum.ru/english/ural_16.php ↩

76. "BI-TRAN SIX ad". Computers and Automation. March 1965. https://archive.org/details/bitsavers_computersA_9556582/page/n9?q=%22This+computer+does+absolutely+nothing%22 ↩

77. "COMPUTER SCHEMATICS: 4. Bi-Tran Six". Amateur Computer Society Newsletter (1): 4. Aug 1966. http://www.computerhistory.org/collections/catalog/102654910 ↩

78. "AnyCPU - View topic - Early trainer computers from 1965 and 1972". www.anycpu.org. http://www.anycpu.org/forum/viewtopic.php?f=22&t=542 ↩

79. "FABRI-TEK INTRODUCES NEW CONTROL KEYBOARD CONSOLE FOR BI-TRAN SIX COMPUTER". Computers and Automation: 61. October 1968. https://archive.org/details/bitsavers_computersA_9801715 ↩

80. "Imgur BI-TRAN SIX image galleries". Imgur. https://imgur.com/search?q=%22BI-TRAN+SIX%22 ↩

81. Georghiou, Luke; Evans, Janet; Ray, Tim; Metcalfe, J. Stanley; Gibbons, Michael (1986-03-10). "PART II CASE-STUDIES: 9. Ferranti: Monolithic Microcircuits". Post-Innovation Performance: Technological Development and Competition. Springer. pp. 146–156. ISBN 9781349074556. 9781349074556 ↩

82. "Computer Characteristics Quarterly" (PDF). Adams Associates. 1967. p. 62. http://ed-thelen.org/comp-hist/AdamsReport1967Q1-2.pdf ↩

83. "Computer Characteristics Quarterly" (PDF). Adams Associates. 1967. p. 24. http://ed-thelen.org/comp-hist/AdamsReport1967Q1-2.pdf ↩

84. "Computer Characteristics Quarterly" (PDF). Adams Associates. 1967. p. 30. http://ed-thelen.org/comp-hist/AdamsReport1967Q1-2.pdf ↩

85. "Computer Characteristics Quarterly" (PDF). Adams Associates. 1967. p. 30. http://ed-thelen.org/comp-hist/AdamsReport1967Q1-2.pdf ↩

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87. "Computer Characteristics Quarterly" (PDF). Adams Associates. 1967. p. 62. http://ed-thelen.org/comp-hist/AdamsReport1967Q1-2.pdf ↩

88. Used for training and research purposes. ↩

89. Revised in 1969 as Cellatron 8205. ↩

90. "Computer D4A". www.robotrontechnik.de (in German). Retrieved 2018-11-05. http://www.robotrontechnik.de/html/computer/d4a.htm ↩

91. "Rechenautomaten mit Trommelspeicher" [Calculating machines with drum memory]. www.fv-tsd.de (in German). http://www.fv-tsd.de/index.php?id=42 ↩

92. Robotron Erzeugnislisten (in German). p. 5. https://archive.org/stream/RobotronErzeugnislisten/ErzeugnisseRobotron#page/n3/mode/2up/search/d4a ↩

93. "Mercedes Büromaschinen-Werke in Zella-Mehlis – Rechenschieber.org" [Mercedes office machines in Zella-Mehlis – Rechenschieber.org]. www.rechenschieber.org (in German). 2009. pp. 22–28. http://www.rechenschieber.org/2009/04/mercedes-bueromaschinen-werke-in-zella-mehlis/ ↩

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