![](https://coimages.sciencemuseumgroup.org.uk/323/138/large_thumbnail_y1996_0010_1371_0002__0002_.jpg)
![](https://coimages.sciencemuseumgroup.org.uk/323/138/large_thumbnail_y1996_0010_1371_0002__0002_.jpg)
![](https://coimages.sciencemuseumgroup.org.uk/208/477/large_thumbnail_cd0502_016_090210_1996_10_1371_2_ferranti_13e_computer_ciruit_board.jpg)
Pegasus valve computer parts
![](https://coimages.sciencemuseumgroup.org.uk/316/200/large_thumbnail_y1996_0010_1322__0002_.jpg)
Pegasus valve computer part
![](https://coimages.sciencemuseumgroup.org.uk/316/204/large_thumbnail_y1996_0010_1324__0002_.jpg)
Pegasus valve computer part
![](https://coimages.sciencemuseumgroup.org.uk/208/540/large_thumbnail_cd0505_021_090217_1996_10_1325_ferranti_20a_pegasus_notched_drive_disc.jpg)
Ferranti Computer Systems Ltd Pegasus notched drive disc
![](https://coimages.sciencemuseumgroup.org.uk/475/184/large_thumbnail_smg00243567.jpg)
Novotechnik HAB-1421 valve computer part
![](https://coimages.sciencemuseumgroup.org.uk/316/201/large_thumbnail_y1996_0010_1323__0001_.jpg)
Pegasus valve computer part
![](https://coimages.sciencemuseumgroup.org.uk/475/185/large_thumbnail_smg00243568.jpg)
Argus 200 ferrite pegs
![](https://coimages.sciencemuseumgroup.org.uk/316/199/large_thumbnail_y1996_0010_1321__0002_.jpg)
Pegasus status indicator demonstrator
![](https://coimages.sciencemuseumgroup.org.uk/642/140/large_thumbnail_smg00243545__0001_.jpg)
Valve computer plug board
circa 1963
![](https://coimages.sciencemuseumgroup.org.uk/642/151/large_thumbnail_smg00243551__0003_.jpg)
Valve computer plug board
Electrical delay line store used in the MEG computer
1953
Early core store plane of 1024 bits capacity as used in the Mercury computer
1956