ARMY ORDNANCE "HISTORICAL MONOGRAPH, ELECTRONIC COMPUTERS WITHIN THE ORDNANCE CORPS"*BRLESC (different source)*History of Computing at BRL*BRL 1964 report, see page 36
ARMY ORDNANCE "HISTORICAL MONOGRAPH, ELECTRONIC COMPUTERS WITHIN THE ORDNANCE CORPS"*} BRLESC (different source)*} History of Computing at BRL* BRL 1964 report, see page 36