The Digital Equipment Corporation PDP-7 [produced 1964-69] like the one in
Columbia University's Department of Electrical Engineering in the early-mid
1970s. This photo is of machine #115 that was shipped to Oslo University in
1966 and (as of January 2009) owned by Tore Sinding Bekkedal.
The PDP-7 is famous as the machine at Bell Labs where
Dennis Ritchie
and
Ken Thompson
developed the UNIX
operating system and
the C
programming language.
Right: the Teletype console terminal, commonly
shipped with minicomputers in the 1960s and 70s.