From magnetic tape and rare film to lab notebooks and business plans to early mainframes and source code, our collection is as diverse as the history of computing. It is a rich resource for everyone, comprising historical objects, documents, software titles, ephemera, and photographs and moving images.
Note: CHM's online catalog has been updated through January 23rd, 2025. A new and improved catalog will be launched in Summer 2025.
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Catalog contains over 151,130 records.
People watching Spacewar on DEC PDP-1
Still Image
102652458
PDP-1 interior, central frame logic panels
Digital Equipment Corporation (DEC)
Still image, ca. 1962
102749560
PDP-1 and TX-0 at MIT
Digital Equipment Corporation (DEC)
Still image, ca. 1974
102738948
Woman sitting at early PDP-1 console
Digital Equipment Corporation (DEC)
Still image, ca. 1959
102749058
PDP-4 rear of bays 1-2
Digital Equipment Corporation (DEC)
Still image, ca. 1962
102753129
PDP-7-19 MIT Lincoln Laboratory (#1)
Digital Equipment Corporation (DEC)
Still image, 1965-06-18
102754932
PDP-8/e table model - 1-bay
Digital Equipment Corporation (DEC)
Still image, 1971
102758643
TC08, TU56, PDP-8 (1-bay)
Digital Equipment Corporation (DEC)
Still image, 1969
102769746
History - Ed Fredkin working on PDP-1
Massachusetts Institute of Technology (MIT)
Still Image, 1964-03
102764626
History - woman working on PDP-1
Digital Equipment Corporation (DEC)
Still Image, ca. 1962
102649725
PDP-1 talks to the operator
Digital Equipment Corporation (DEC)
Still image
102680786
PDP-1 and data dial reprints - BBN
Digital Equipment Corporation (DEC)
Still image, 1963-12-29
102753456
PDP-1 with people working in background
Digital Equipment Corporation (DEC)
Still image, 1969
102738946
Early PDP-1 operator console and typewritter
Digital Equipment Corporation (DEC)
Still image, ca. 1960
102749138
Man sitting at early PDP-1 console
Digital Equipment Corporation (DEC)
Still image, ca. 1959
102749056
PDP-1 at Bolt, Beranek and Newman
Digital Equipment Corporation (DEC)
Still image, 1963-12-29
102749760
PDP-4 logic panels bays 1-2
Digital Equipment Corporation (DEC)
Still image, ca. 1962
102753127
PDP-8/S 1 bay packaging
Digital Equipment Corporation (DEC)
Still image, 1968-01-11
102754858
Early PDP-1 model console and flexowriter
Digital Equipment Corporation (DEC)
Still image, ca. 1959
102749037
PDP-8/S 1 bay packaging
Digital Equipment Corporation (DEC)
Still image, 1968-01-11
102769206