The Avengers - Season 3, Episode 4, "The Nutshell" (1963)
The Nutshell's central computer is an NCR 315.



Introduced in 1963, the NCR 315 was a second-generation computer that used an interesting arrangement of memory that could be accessed in elements that contained either three digits or two alphabetic characters.
The Nutshell's central computer is an NCR 315.