Computer ◆ Conservation ◆ Society
-: Our Computer Heritage Project :-

Here you'll find technical information on the Mainframe group of early British-designed computers:

 

 

 

Select from the table below:-

 

Typical early memory components.

Elliott
Gallery
Ferranti
Gallery
LEO
Gallery
EMI
Gallery
English Electric
Gallery
ICT
Gallery
Elliott
History
Ferranti
History
LEO
History
EMI
History
English Electric
History
ICT
History
152,
153
,Nicholas
Mark 1, Mark 1*
LEO 1
Emidec 1100
DEUCE
HEC BTM,
ICT 1200
401,402,
403,405
Mercury
LEO 2
Emidec 2400
KDN2 etc
ICT 1301
802,803,
504,Arch
Pegasus,
Perseus,
Sirius
LEO 3
  
KDP10 etc
ICT/ICL
1900
502
Orion 1
Orion 2
  
  
KDF9
  
900 Series
Atlas 1
Atlas 2
  
  
  
  
4100 Series
Appollo,Persidon,
Argus,Hermes
  
  
  
  



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Edited April 2022 NWB